In the process of arranging a house, an important part is its insulation, because the use of insulation is to ensure comfort. Insulation can keep a room warm while keeping cold outside air out—conditions that can reduce heating costs. A well-known insulation material is Penofol - it is often used on balconies and open walls home because its reflective properties show high efficiency. In combination with high-quality floor insulation, this material can create comfortable conditions for quiet use of balconies and other cold rooms in winter.
Unique characteristics of Penofol
Penofol is an insulation material defined as a heat-noise-moisture-insulating material. Made from environmentally friendly substances, and has a small thickness and light weight. In industrial and civil engineering it is applied for:
- basement insulation;
- wall insulation;
- attic insulation;
- ceiling insulation;
- roof insulation;
- floor insulation;
- hydrothermal insulation of pipes;
- thermal insulation of air conditioner;
- hydrothermal insulation of external walls;
- strengthening waterproofing and massive insulation;
- dust protection;
- repair of ceiling covering;
- strengthening walls;
- door insulation;
- insulation of water heating elements.
In the automotive industry, Penofol is used as a material for sound insulation and insulation of vehicle interiors.
Material classification
The following types of foil Penofol insulation are available:
- Type A - material based on polyethylene foam with foil on one side;
- Type B - material based on polyethylene foam with foil on both sides;
- Type C (self-adhesive) - a material based on polyethylene foam with foil on one side. Refers to self-adhesive insulation, due to the fact that a layer of glue is applied to the other side, which is protected by an adhesive coating.
There are also varieties of Penofol. Depending on the additional coating, they are divided into: A, B, C-LL - with lamination with polyethylene terephthalate film; A, B, C-LP - with lamination with polyethylene film; A, B, S-M - embossed with foil on one side;
A, B, C-R – embossed with foil on one side;
Perforated
Recently, the production of Penofol with perforation has been launched, i.e. the ability to remove moisture from the material. This type of insulation is used mainly on the external facades of a building. Walls where Penofol was used as insulation acquire the ability to “breathe”.
Penofol is made from polyethylene foam onto which aluminum foil is fixed by pressing on one or both sides. It is acceptable to use polyethylene foam of several brands, and not just PPE, in the absence of deterioration in the quality and properties of the insulation. The adhesive layer must be protected by an adhesive material.
Insulation thickness and length
The cost of insulation directly depends on its thickness. The larger it is, the higher the price. Also, the cost increases depending on the number of foil sides and coating layers.
Manufactured in thicknesses: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm (up to 40mm thick on request in rare cases). Penofol 1 centimeter thick has the highest noise protection and retains heat best. The material with a thickness of 5 mm remains in first place in popularity, due to the optimal ratio of quality and price. It is produced in rolls. Standard roll length (depending on thickness): 5m, 10m, 15m, 30m, 50m.
Insulation density
The specific gravity of the insulation depends on the thickness and is in the range of 38 - 84 kg/m3. Considering that the insulation has a low density, it is difficult to use it under further loads. When applying a small load, it will be pressed inward.
The ability of insulation to absorb water
The ability of any product to absorb and retain moisture is called water absorption. When this value is high, the thermal conductivity increases, specific gravity and the strength of the material is significantly reduced.
Penofol's water absorption depends on its type: Type C - 3.5%; Type B - 0.6%; Type A - 0.7%.
Vapor permeability is understood as the ability to transmit and retain vapors, therefore, with a large coefficient of this value, the thermal conductivity indicator is also higher. When using Penofol there is no need to lay additional film.
For comparison, the vapor permeability of different building materials:
- plywood - 0.02 mg/(m*h*Pa),
- polystyrene foam - 0.023 mg/(m*h*Pa),
- concrete - 0.03 mg/(m*h*Pa),
- Particleboard - 0.12 mg/(m*h*Pa).
- Penofol has a vapor permeability of less than 0.001 mg/(m*h*Pa).
Penofol's ability to conduct heat
The thickness of the aluminum foil used to cover the layer of foamed polyethylene is from 12 to 30 microns. The percentage of pure substance is more than 99%. During Dewar's research, it was found that a number of materials are capable of almost completely reflecting thermal energy However, due to this, the material can heat up and it becomes necessary to supplement the structure with a thermal barrier. In Penofol, the function of a barrier is performed by foamed polyethylene.
The level of thermal reflection of polished foil is at least 97%.
Important! Resistance depends on the thickness and type of insulation. For type B with double foil and a thickness of 4 mm, this figure is 1.20 m2*C/W; 5 mm thick - 1.23 m2*S/W, 10 mm thick - 1.355 m2*S/W. For comparison layer mineral wool for such resistance it must be more than 85mm. The data calculation was adopted in accordance with SNiP.
A unique property of Penofol is its ability to provide good sound insulation with a small insulation thickness. This property is actively used in the automotive industry and, if desired, can reduce noise from extraneous factors at home.
Considering that this material can be used both indoors and outdoors, and with a thickness of only 4-5 mm it can significantly reduce the noise of the apartment, this is undoubtedly useful quality insulation.
Penofol has sound absorption above 32 dB.
Explosiveness and toxicity
Temperature limits for use are from +100 to -60 degrees Celsius. At such temperatures Penofol is absolutely ecological material and completely non-toxic. When using it indoors or outdoors, no precautions are required.
The sticky adhesive used in the manufacture of Type C insulation is non-toxic. The adhesive used is based on water-acrylic dispersion. The emulsion used is non-explosive and non-toxic.
The material applied to the adhesive base to protect it is a lavsan siliconized film. Non-toxic.
Fire safety of penofol
This material belongs to substances that are difficult to burn. Penofol has a corresponding certificate stating that it is not fire hazardous.
When burning Penofol:
- melts upon contact with an open flame;
- does not flare up;
- does not burn.
Important! In terms of flammability, Penofol belongs to group G1 (the material is slightly flammable, does not support combustion, does not spread flame). In terms of flammability, it belongs to group B1 (non-flammable, able to withstand a heat flow of more than 500ºC).
According to its ability to generate smoke, it belongs to group D2 (moderate ability to generate smoke).
Lifetime
Since polyethylene foam is used in the manufacture of Penofol, which is a durable material and whose service life is about 200 years, the insulator is durable. However, it is worth keeping in mind that the aluminum used for coating can oxidize over time. In addition, due to the materials used in production, it is possible to reduce the impact of electromagnetic radiation by up to 10 times.
Methods of using Penofol
Use on the floor If it is necessary to insulate the floor, Penofol is installed on top of the logs, with the foil side facing up, without tearing. In general, type A with a thickness of 4 or 3 mm is sufficient. It is necessary to provide an air gap of 20 mm. Apply sealing insulation along the entire joint using aluminum adhesive tape.
When laying Penofol on concrete base It should be taken into account that concrete is an aggressive environment, therefore, using Penofol, the floor is covered with plastic film or coated insulation is used protective film. Laying is done with the foil side up, butt joint. Sealing is done using mounting tape. A heating system is laid on top and filled with screed. Decorative flooring is laid on top: laminate, parquet, tiles.
Preservation of heat from heating devices To increase the temperature in the room, it is reasonable to install Penofol type C or A on the wall behind the radiator. In practice, the effectiveness of increasing heat transfer from the battery by 20% has been proven. Using insulation 5-3 mm thick, you can increase the temperature in the room by 4 degrees.
Insulation of walls. If in winter time the room is damp and the temperature drops below 20C, insulating the walls is necessary. It is possible to insulate the outside and inside of the house. The efficiency of insulation indoors is much higher. The use of insulation type A, B with a thickness of 5 mm is justified.
Type C application
In places where it is difficult to use Penofol type A and B, type C is used. It is actively used in the insulation of water heating boilers, sound insulation of air ducts, and thermal insulation of pipelines, which also eliminates the appearance of condensation.
Glue used for Penofol
Using glue to attach insulation has several advantages:
- low time and cost;
- does not require special skills;
- technologically simple;
- no need to use a professional tool.
But, the load-bearing capacity of fastening with glue is not high and depends on the weight of the material. The advantage of Penofol is its weight. It's light. Gluing depends on the adhesive properties of the adhesive base, i.e. ability to penetrate into the pores of the surface for gluing.
Glue containing an organic solvent is the most effective. Also an important indicator for fastening strength is resistance to water.
The glue used in residential premises must be non-toxic. The safety of the adhesive can be guaranteed if it has an EMICODE certificate. To increase the effectiveness of the glue, you should clean the surface of dirt, dust, coating and eliminate all irregularities and cracks. When using an adhesive, you must strictly follow the instructions. Then, Penofol will last a long time and stick well.
Using the adhesive fastening method is inferior to other more common and reliable installation options:
- fastening with lags;
- fastening with staples;
- fastening with slats;
- fastening with screws, etc.
It is also important to remember that, regardless of the method of fastening, it is necessary to properly insulate all joints of the Penofol structure, and it is worth giving preference to the “joint to joint” installation method over the “overlapping” method. It is best to use special metallized construction tape as insulation. When insulating a bathhouse, sauna and other rooms with high humidity It is better to give preference to other methods of fastening.
Analogues of Penofol
It is important to understand that Penofol is not the name of the insulation, but certain brand. Therefore, there are a number of analogue materials with similar properties.
Among the analogues are the following:
- AlufomInsulation made of foamed polyethylene covered with metallized film or polished aluminum foil. The areas of application are identical to Penofol.
- Izofol An insulation material consisting of one or two layers of polished aluminum foil or aluminum spraying onto a Mylar film, covering polyethylene foam. Available in roll form. Used as heat, sound, vapor insulation. It is used in the construction of industrial and civil buildings.
- Stizol: Stizol F, Stizol F2, Stizol LM; Foamed polyethylene coated with a laminated metallized film (Stizol LM) or one (Stizol F) or two (Stizol F2) layers of polished aluminum foil. It is used as insulation for walls, floors, roofs, and other structures.
- EnergoflexInsulation made of foamed polymer or polyethylene. Available in the form of tubes, plates, rolls. Widely used in heating, air conditioning and enclosing structures. The reflectivity of the rolls is 90%.
Source: http://gtzi.ru/teploizolyaciya/materialy/unikalnye-svojstva-penofola.html
Penofol and Penoplex - thermal insulation for a wooden house, cost and availability of certificates
Penofol is a heat-insulating material consisting of several layers. The main layer is foamed polyethylene with closed air pores. The reflective layer is foil-coated, applied on one or both sides and made of pure aluminum with a thickness of 15-30 microns.
According to its properties, Penofol is classified as reflective insulation, since it works not to absorb, but to reflect the heat flow in the room. And with a small thickness, the material has excellent characteristics for preventing heat loss and, which is especially important when insulating a balcony, has 100 percent vapor barrier.
Based on the results of the studies, it was found that the thermal efficiency of reflective thermal insulation Penofol is 4-8 times higher than the results of expanded polystyrene, 4-12 times higher than the results of mineral wool slabs, and 12-25 times higher than the results of foam concrete. In addition, it does not allow or absorb moisture.
The foil surface is made wrinkled for a reason; due to this, the material can be pasted over curved surfaces in a house of any radius without tearing the layer of aluminum foil.
Penofol is available in several types
Basic:
- Type A - foil on one side
- Type B - on both sides
- And the most convenient to use, type C is self-adhesive foil penofol.
Material thickness from 3 to 10mm.
Typically, the retail price of 1 sq.m of type C is approximately 2 times more expensive than type A.
In addition, in the main types there are:
Penofol, Penofol 2000, Penofol type A-LP and SUPER NET.
The most common is Penofol 2000 (A,B,C), the difference from the usual one is in the main layer. In 2000 he of blue color and is made from closed cell polyethylene foam.
Regular Penofol (A,B,C) has a base white based on foamed cross-linked polyethylene. In this regard, there is a difference in characteristics.
Penofol A-LP has an additional protective polyethylene layer. First of all, this is necessary to protect the foil layer from damage and exposure to DSP during installation in a heated floor system.
The SUPER NET type uses a core layer based on mesh polyethylene.
Foil Penofol. How to buy a real one
The unique qualities of the material ensured its popularity among buyers and, as always happens, the market was flooded with a large number of“similar” materials and outright fakes. To protect yourself from counterfeiting when purchasing, pay attention to the following features:
Branded full color insert with detailed information.
Each roll is packed in polyethylene with blue and red inscription: Penofol Lit
End label indicating type and dimensions
Base color is blue. Pure Aluminum Foil
Protective self-destructive stamp with the logo of the manufacturer.
Penofol is produced by only one plant in the Yaroslavl region, Pereslavl-Zalessky.
Foiled penofol instructions for use
Correct installation must take into account the following:
- The thermal efficiency of reflective thermal insulation Penofol is determined by the design solutions of its installation
- design solutions should include one or two closed air layers. When making an air layer of 10-20 mm between Penofol aluminum foil and any protective area (wall, drywall, siding, corrugated sheet, polyethylene film etc.) the thermal resistance of the air layer is 0.5-0.6 (m2°C)/W
- installation of reflective thermal insulation Penofol type B (double-sided foil) with two air layers increases the thermal resistance of the structure by 1.1-1.2 (m2°C)/W.
The bottom line is that a gap is always required from the foil layer to the enclosing structure.
If type A is used, the material can be fixed to the wall using double-sided tape or wooden slats, onto which plasterboard cladding is subsequently installed.
Type B is installed with the obligatory implementation of two air gaps. Between the wall and foil layer 1, between foil layer 2 and the cladding.
When insulating the balcony with my own hands, I used Penofol type C. Look for all the features of installation and insulation in the next article on Remontofil.ru!
Source: http://remontofil.ru/penofol.html
Penofol is a new generation of insulation, high thermal insulation characteristics with a minimum insulator thickness
Energy saving issues are becoming more and more relevant every year. To reduce the cost of heating bills, you first need to worry about insulating the entire house or its individual structures.
Along with preventing heat loss, the building requires reliable protection from a humid environment and negative influence gusty wind. To perform all these tasks, in most cases, materials are used that are capable of comprehensively protecting the home from all of the listed factors.
Penofol insulation, the basis of which is foamed polyethylene, due to its multi-level structure, adequately copes with the penetration of dampness, increased wind load on the supporting structure, and most importantly, prevents heat loss, retaining it inside the building.
Manufacturers use foamed polyethylene as the basis for insulation. This polymer is characterized by a cross-linked layer structure, which gives the material increased resistance to various aggressive environmental influences. Such insulation is not subject to rotting and is inert when interacting with many chemicals and does not release toxic compounds over time.
During the process of polymerization and cross-linking of ethylene, the reaction gradually fades, so air cavities in the structure of the insulation are formed at the very beginning, and this is facilitated by special additives that are mixed with the feedstock. The result of this technology is the formation of pores, the diameter of which varies from a couple of microns to one millimeter. The air reserve prevents the passage of heat, noise, moisture and wind through the body of the insulation.
Since Penofol belongs to the category of insulating and insulating materials, the requirements for its technical parameters are similar to those that apply to other samples of the corresponding class. Taking into account the structural features of polyethylene materials, its thickness is no more than 10 mm. If you enlarge the layers, you can see how macromolecular cross-links are destroyed and the body of the material delaminates.
The basic technological parameters of insulation include the following parameters:
- thermal conductivity indicators, which vary from 0.037 to 0.042 W/mK in a completely dry state;
- a fairly low vapor permeability level of 0.001 mg/m*h*Pa;
- heat reflection by the foil surface starts from 90%;
- high elasticity index up to 0.2 at a load of 5 kPa;
- moisture absorption does not exceed 0.7% of the total volume of the material.
Positive differences
The main advantage of the material is the minimal increase in thermal conductivity when moisture enters. Since the structure of the air pores of Penofol is heterogeneous, at high levels of environmental humidity the material is able to accumulate up to 10% moisture from the initial mass, while its thermal conductivity increases slightly (up to 0.05 - 0.052 W/mK).
Penofol perfectly absorbs noise and sounds, which allows it to be used to achieve an additional soundproofing effect in rooms, especially when it comes to attics. As you know, in rooms under the roof you can clearly hear sounds from falling raindrops, wind and even leaves that fall from trees in autumn. Touching roofing material, all these phenomena create annoying noise, which significantly disrupts the comfort of residents, and Penofol completely solves this problem.
Popular types of insulation
The popular multilayer insulation, which is sold under the Penofol brand, has several varieties. Most often in the modern construction market you can find three main samples of products, which will be discussed further.
Type “A” refers to a two-layer composite material, on one side of which a foil with a thickness of about 14 microns is applied. Type “B” is characterized by the application of reflective foil on both sides. Type “C” has the same structure as the two previous samples, with the only difference being that an adhesive component is additionally applied to the polyethylene foam. Thanks to this feature, the insulation is easily attached to a plane, therefore it is considered the most convenient for installation.
Innovative Products
Given the constant improvement of building materials, this segment has also not been without the introduction of new technologies. The Penofol material has been replenished with “ALP” brand products, which differ from type “A” in that a protective polyethylene film is applied to the foil layer. This insulation is also called laminated. Its subtypes “M” and “R” have a relief structure of layers, and Penofol “Air” with a perforated structure is in most cases used for treating ventilation systems.
It is worth noting that Penofol of any type is rarely used as an independent thermal insulation material. Its small thickness (maximum 10 mm) cannot fully protect the structure from leakage warm air Therefore, such products should be considered as an additional vapor barrier with the function of heat reflection.
Installation conditions
Due to the high elasticity of the insulation, its use is subject to a number of restrictions regarding the installation of the material. Considering the insufficient strength of the polymer layer, Penofol is not recommended to be fixed with nails, since insulating abilities are completely lost at puncture sites and this reduces the overall effectiveness of the product.
For achievement maximum effect it is necessary to secure the insulation with specially designed adhesives without additional processing with fasteners. This feature was the reason for the appearance on the construction market of Penofol type “C”, on the surface of which a composite was applied for fixation.
Of all the alternative fastening methods, fixation is considered the most gentle on the insulation structure. construction stapler, punctures from the staples of which do not leave large gaps and practically do not harm the polymer and foil layers.
Penofol, unlike membrane vapor barriers and waterproofing films, is not installed with an overlap. Its sheets are joined together, and the resulting seams are blown out polyurethane foam or sealant, and then sealed with waterproofing adhesive tape.
Features of using the material
Typically, insulation with a layer of reflective foil is used to insulate walls, roof structures, ceilings and screeds inside a building. When installed externally, the material is ineffective, since its reflective abilities are practically not used.
Walls, ceiling, floor
When treating walls, ceilings and screeds inside the house, Penofol is combined with the main insulation, which shows more efficient work. It may be mineral or stone wool, and Penofol performs the function of waterproofing.
Ventilation
If you decide to install foil insulation, you need to install a counter-lattice, with the help of which a ventilation gap is formed (from 20 mm). Since foamed polyethylene has low permeability, it will be necessary to provide space for condensate drainage.
This measure guarantees the protection of walls and material from moisture accumulation and, as a result, damage. A similar gap for ventilation is left between Penofol and decorative finishing, otherwise there is a high risk of encountering mold.
Consolidation
When working, it is best to use a construction stapler, fixing the staples in increments of 40 - 50 cm. In this case, Penofol should be placed with the shiny side inward. This is how the material will perform the function of waterproofing and additionally prevent heat from escaping.
Exterior works
When performing external insulation of walls, choose perforated insulation, which copes with protection from gusty winds, high humidity, noise and removes steam from its structure. However, it is worth remembering that Penofol alone will not be enough for complete thermal insulation.
Roof insulation
During insulation work in attic room, which serves as a living room exclusively in the summer, Penofol will be an excellent replacement for any other insulation. In this case, its action will be quite sufficient and the installation of additional protective materials will not be required.
In the under-roof space, insulation is laid between the rafters, and it is also used to cover beams to create additional insulation. To ensure proper removal of moisture from the roof, create a ventilation gap of 50 mm. There will be enough space of 20 mm between Penofol and the cladding.
Experts recommend using material with a foamed polyethylene layer of 10 mm. These parameters will be sufficient to retain heat and dampen sounds that arise from external factors when they come into contact with the roof. If the attic will be used as housing all year round, then Penofol can be one of the components of a multilayer structure.
To date insulation materials, such as foil penofol, are highly popular. The scope of their use is expanding every day and repair work, due to the diversity, it is difficult to figure out where quality material, and where not.
Foamed polyethylene with foil coating appeared on the construction market quite recently, but its popularity is growing every day. Foam insulation has impressive thermal conductivity and sound insulation. Today it is often used, since the principle of operation resembles the effect of a thermos.
In any house where foamed polyethylene was used, warmth and comfort will reign both in summer and in winter. The material in question acts not as insulation, but more as a reflector of cold or heat. If we consider its structure, it consists of several layers, including foamed polyethylene (it contains a large number of air pores). And the foil located on the sides can effectively reflect heat or cold. Most sealed pores act as an obstacle during heat transfer.
As for the thickness of the material in question, it varies. The connection of foamed polyethylene with foil occurs using a thermal processing method.
Advantages of the material
The priority of penofol is that the technical characteristics of this material have a large list of advantages.
- Versatility. The material is used as insulation or sound insulation. This makes it possible to avoid the use of various membranes or film materials. Moreover, self-adhesive penofol, without any fear, can be mounted both from the outside and from the inside. He is not afraid of either humidity or temperature changes.
- Small thickness. The figure under consideration is really small compared to those of other insulation materials. For this reason, the products can be easily installed inside any premises, given that the usable volume will not be reduced. For example, to protect your home from extraneous sounds, you can use a 10-centimeter layer. Heat loss will also be minimized.
- Impressive selection of products. Today, a wide range of materials is sold. Therefore, there is a choice, taking into account specific technical characteristics.
- High quality. The use of modern technological capabilities during the production of penofol makes it possible to reduce heat loss by up to 3%. It is important to understand that using the considered insulation techniques, heat can be directed back into the space of the room. As for moisture, it is unable to penetrate through the foam layer.
- Wide thermal range of use. Foamed polyethylene, which is often foil-coated, can be used over a wider range of temperature conditions(-50 ˚С to +90 ˚С). With the use of such insulation, the room will always be cozy and warm in winter, as well as cool in summer, because, as stated, everything works on the principle of a thermos.
- Easy to install. Foam insulation is produced in rolls. It has high ductility rates. Therefore, insulation of any surface, including its complex shape, can be carried out without any problems. It is worth adding that for foamed polyethylene there is no need to make a preliminary frame, since the insulation is attached directly to the wall surface. This material easily insulates both pipes and slabs, and to cut it, it is enough to use simple scissors.
- Environmental friendliness. Insulation is an environmentally friendly material. Therefore, it can be used without any problems internal insulation any room, including a bedroom or kitchen.
Disadvantages of the material
Despite such impressive positive traits, there are certain disadvantages that also need to be taken into account before repair work.
- The insulation has a soft structure. The base will not be able to hold the plaster layer. It is also not recommended to glue wallpaper on it. The material can sag, so it is difficult to finish.
- Difficulties during installation. It is recommended to purchase special glue to make it easier installation work, since the foam insulation is poorly retained. It is not recommended to use nails or screws during fastening work - this will compromise the quality of future thermal insulation.
- The material is afraid of mechanical influences. Foam insulation has a soft structure, so it can easily be damaged by mechanical stress. During installation work, it is recommended to take special care, since in most cases damage occurs at this moment.
Application area
The material is fairly new, but its scope of application is growing every year. Its technical characteristics have proven that the material in question can be used for:
- increasing the insulation performance of refrigerator or freezer chambers.
- insulation of the attic or basement;
- increasing the insulation of room walls both inside and outside;
- increasing the indicators of waterproofing and vapor barrier in saunas or baths;
- increasing the insulation parameters of roofs and heated floors;
- arrangement of residential and commercial space, including trailers;
- insulation of water supply or similar communications;
- heat reflection of batteries used for heating;
- improving sound insulation performance and insulation of ventilation and sewerage systems;
- insulation and improvement of sound insulation in the car.
The use of penofol depends on its brand. Exist different types material. Before purchasing, it is important to decide what thickness to use.
The cost directly depends on the thickness of the material. The technical characteristics depend on the number of layers and on the foil made from aluminum. There are several layers. Regarding the thickness, it varies (from 2 to 40 mm).
If you compare a material with a thickness of 3 mm and a thickness of 3 cm, in the second case the cost will be much higher, especially when the foil layer is on different sides.
In most cases, foam insulation is used, the thickness of which is about 5 mm. But the choice of parameters may vary depending on the room and its properties, as well as individual preferences.
Penofol and its conductivity
Penofol insulation refers to combined type materials, the main advantage of which is the reflection of thermal energy, as well as its absorption.
Lower convection rates are achieved by using polyethylene foam. As for the aluminum foil layer, it is capable of reflecting about 97% of heat rays. Foam insulation is the result of complex modern insulation.
If we compare, for example, mineral wool and penofol, 4 mm thick. Then in this case the proportionality will be 1:2. That is, the material has twice the performance. To achieve the same results, the mineral wool layer should be about 8 cm.
Safety and service life of the material
Polyethylene foam is a clean material from an environmental point of view. For this reason, it is used as the basis of the insulation under consideration. As for durability, there is no exact period, but many argue that it is more than 100 years.
It is worth noting that the material is capable of simultaneously reducing harmful influences electromagnetic radiation. They are reduced by more than half - this is important to consider when choosing.
What is foil penofol, what are its technical characteristics, and why did this insulation get such a name? There are many questions asked regarding penofol. Therefore, in this article I would like to understand this thermal insulation material, determine its application and especially focus on its installation.
So, penofol is an insulation made of polyethylene foam, which is covered with foil on one or both sides. The thickness of the foil layer is 12-30 microns. But the most important thing is that the metal from which the foil is made has quite stringent requirements. It should contain 99.4% pure aluminum. Why is this so important? Remember what processes occur in a thermos, why the temperature stays in it for so long.
It's all about the metals that cover the surfaces of the thermos flask, polished to a mirror shine. They reflect infrared thermal energy and prevent it from leaving the internal volume. True, only noble metals (silver, gold and bronze), as well as aluminum (one of the cheapest metals today), possess these qualities. This is what is used in modern foil production.
It should be noted that metals have high thermal conductivity. Therefore, to prevent heat from penetrating through them and escaping, insulation is added to the foil (metal). In the case of penofol, it is foamed polyethylene. By the way, the name “Penofol” itself is not the name of the insulation, it is the name of the brand.
Important. When installing penofol, it is necessary that its foil side faces the inside of the room. If this concerns roof insulation, then use foil inside the attic or attic.
Penofol parameters
Currently, under the Penofol brand, a large number of different types of insulation materials are produced, which are divided into classes.
As for the position “technical characteristics”, it should be noted that the qualities and properties of penofol are based on foamed polyethylene. Here are its technical characteristics:
- thermal conductivity – 0.044-0.051 W/m K;
- density 25-50 kg/m³;
- thermal reflection coefficient – 97%;
- vapor permeability – 0.001 mg/m h Pa;
- ultimate compressive strength – 0.035 MPa;
- can be operated at temperatures from minus 40C to plus 100C;
- has low water absorption on average 0.6;
- does not interact with either chemical or biological elements.
Penofol installation methods
How you can install class “C” penofol has already been described above. What about other species?
Basically, some special conditions no installation. Penofol can be insulated various designs houses, namely: walls, floors, ceilings, roofing, foundations and so on. Essentially, it is a universal heat insulator. The only point you need to pay attention to is how to attach the penofol.
If it comes to horizontal surfaces on which the material is laid and fastened from above, then it is simply laid out, for example, on the floors, overlapping with the strips, and secured to the walls. That is, strips of penofol are spread on the floor base, extending onto the walls to a height of up to 15 cm. These edges are secured with self-adhesive aluminum tape. The same tape must be glued along the joints of the strips, thereby creating a tightness of the heat-insulating structure.
As for roof insulation with penofol, it can be attached to the rafters using nails with a wide head, self-tapping screws or metal staples. The last option is simple, fast and convenient.
To insulate with penofol, it is necessary to consider what class of insulation can be used and fixed in one place or another. That is, the application is determined.
- If floors or walls are insulated, then types “A”, “B”, and “C” are best suited.
- If penofol is placed and secured under heating system"warm floor" then best option– type “A”.
- Penofol class "B" is best used for insulating the floors of the first floor apartment building, under which there is an unheated damp basement.
- If ceramic tiles will be laid on top of a warm floor, then it is best to use ALP brand penofol for insulation.
Advice. Installation of insulation “A” under heated floors is carried out so that the foil side of the material is directed down to the floor. If you turn the heat insulator over, you will have to cover it on top with a plastic film no less than 0.2 mm thick.
Installation example 
Cement mortar has a detrimental effect on aluminum foil. If they come into contact during installation, the foil will not last long. Therefore, when using penofol under a screed, you need to take into account some of the nuances of the process.
So, the installation diagram:
- Strips of foil material are laid on the prepared surface of the floor base, extending onto the walls.
- The edges of the penofol must be glued (secured) with self-adhesive aluminum tape. The same applies to strip joints.
- Perpendicular to the installation of insulation, a polyethylene film is installed with the same approach to the walls and secured with construction tape.
- The heated floor is being installed and connected.
- The screed is poured. If the renovation plan involves finishing the floor with tiles, then you can do without a screed. That is, the tiles are immediately laid on warm floors, and they must be fastened as usual. adhesive composition for ceramic tiles.
The nuance of installing penofol in this case is that the insulator itself must be protected with plastic film. When it comes to insulating walls or ceilings with penofol, the best option is not to glue it, but to lay it under or on the sheathing.
Let's summarize all of the above. Let's start with the fact that the characteristics of penofol with its fine structure are quite high. So this is one of the signs of the highest quality. Plus the opportunity to carry out the process of insulation with penofol yourself. But the most important thing is to correctly approach such an issue as precise application.
If you closely follow the market for building materials, in particular, thermal insulation, and read various reviews, you could not help but notice the emergence of a new thermal protection product with high technological qualities, penofol. This material can be classified as one of the types of reflective insulation; it consists of several layers - a base and a reflective foil.
The basis of penofol, which actually gave it its name, is polyethylene foam, which has different structures and density indicators. The foil is applied to the base by heat welding.
The penofol base has a thickness of 0.2 to 1 cm, the thickness of the foil is 20 microns, the reflection coefficient is 97%. For use in harsh climates, manufacturers produce a special type of penofol with a main field thickness of up to 40 mm.
If in the construction industry the material penofol appeared relatively recently, this does not mean that its high-tech qualities were not known. For interest, I can provide information that the first spacesuits for NASA astronauts were made using penofol.
What can the effect of this be compared to? With a vacuum cleaner! If you have used penofol to insulate a house or apartment, rest assured: you will always be warm in winter and cool in summer. The fact is that penofol does not retain the heat emanating from the room, but reflects it.
This modern technological material creates a barrier to direct heat transfer due to foamed polyethylene, which contains a large number of pores filled with air or carbon dioxide.
The use of penofol is possible both independently and also in combination with others. It is especially convenient when you, wanting to insulate some surface, do not want to lose the size of the usable area of your room.
Foiled penofol: technical characteristics of the material
— heat transfer resistance for double-sided foam foam with a thickness of 4-5 mm is 1.2-1.23 m2xC/W
— vapor permeability is about 0.001 mh/mhch Pa
Foiled penofol It is used both as the main insulation and as a layer of a thermal insulation system.
The photo below shows an example of foil foam foam 10 mm thick.
Foiled penofol
Foiled penofol and its use
It can be used for:
- insulation of walls inside and outside the premises, attics and basements
— water and vapor barrier of saunas and baths
- roof insulation and
— insulation of water pipes
— heat reflection of heating batteries
— sound insulation and insulation of ventilation and sewer systems
— insulation and sound insulation of cars
— arrangement of residential and commercial trailers
— insulation of refrigeration chambers
Foiled foam foam has its advantages and disadvantages, which will have to be taken into account when choosing thermal insulation. I’ll immediately note that there are many more advantages from using penofol and I’ll start with a fairly moderate price, in comparison with other materials.
What other benefits does the consumer receive:
- high environmental friendliness
- the material is very thin compared to others
- low vapor permeability
- good sound insulation
- ease of installation
— high fire safety
- ease of transportation
— the material is difficult to reach for rodents
To the main disadvantages I'll take:
— high flexibility at the slightest pressure due to the softness of the material
— some inconveniences during strengthening: special glue compositions are needed, etc.
- if you need to insulate the walls outside your home, foil penofol is only suitable as an additional layer of thermal insulation to reflect thermal energy and protect against moisture.
We test penofol for strength - watch the video:
So, we decided that we need exactly this type of thermal insulation.
What types of penofol are presented on the market and features of their use
1. Type A— in this type of penofol, the aluminum layer is applied only on the outside.
It is used more often with polystyrene foam and styrodur.
2. Type B- coating on both sides.
Suitable for independent use.
3. Type C— self-adhesive penofol.
Its outer side is covered with a layer of aluminum foil, and the inner side is covered with polyethylene foam with contact adhesive.
4. Type ALP.
A polyethylene film is glued over the aluminum layer. This type of penofol is called laminated. Effectively used for the needs of rural areas.
5. Type R and M— one-sided foil embossed penofol.
6. Super NET, which means "network".
Used to isolate networks.
7. Penofol AIR for air ducts.
If you see penofol brand on the store counter Penofol-2000, know that this insulation is the most inexpensive view penofol, i.e. worse in all technical characteristics and, above all, in strength.
Basic methods of installing foil foam foam
— the reflective layer of material is always laid towards the heat transfer source
- it is necessary to leave an air space of 10-20 mm on both sides of the insulation
— for 100% waterproofing and tightness, all joints are taped with foil tape
- most importantly: remember that foil is a very good conductor electric current, carefully check the insulation of the electrical wiring
As mentioned above, one of the remarkable qualities of penofol is its ease of installation. Therefore, even without any special knowledge, you can use it yourself when insulating your house with your own hands.
Insulation of walls with penofol from the inside
For fastening you will need a stapler or self-tapping screws. Indoors, as a rule, penofol with a thickness of 4-5 mm is used. If you have an ordinary apartment or house, take one-sided material. If the walls get very cold, you will have to additionally insulate them with cotton wool or.
Insulation of walls with penofol from the inside
Procedure:
- roll out the foam foam roll and cut a strip from it, the length of which will be equal to the length of the wall
- using a stapler, nail it to the wall, starting from the ceiling
- if the wall is wooden, take a screwdriver; if it is concrete, put it on glue or nail it with staples
- cover the entire wall with penofol so that there are no overlaps
- cover the board with aluminum adhesive tape
- nail a frame made of river or a layer of plywood 2 cm thick onto the penofol
- place plasterboard or chipboard on top of the sheathing
In order to insulate the ceiling using penofol, cut it and attach it along the wall, starting from the middle. When you reach one corner, nail the side that is closest to the wall. Next, move from the middle in the opposite direction and attach the strip further.
Then move perpendicular to the material sheet towards the corners, all the while smoothing the penofol across the ceiling.
I would like to remind you that penofol is a very unpretentious material to use. When installing it, you don’t have to treat the surface with anything or even pre-prepare it for work.
It should be taken into account that steam entering building structures can lead to the appearance of mold and mildew. But when using penofol indoors, your walls will not accumulate moisture.
Choose penofol types A, B, C for installation inside the house.
Now let's try them insulate the walls of the room from the outside.
By the way, many professionals claim that this insulation method is much more effective than internal insulation, especially if you have wooden house.
For insulation work on the outside of the house, use perforated penofol; it will protect the walls from precipitation and wind, and will also preserve the integrity of the area of your home without reducing it.
Insulation of external walls with penofol
The insulation is installed between the wall and the cladding of the house. It is better to carry out work on insulating walls outside in the summer, because... there are no sharp temperature fluctuations and the walls are already sufficiently dry.
Procedure for insulating a house with penofol from the outside
- remove all coatings from the walls and carry out an antiseptic treatment; be especially careful and meticulous when treating corners and the bottom of the walls, because it is these areas that are prone to freezing and putrefactive processes
- build a frame from bars and attach it with self-tapping screws
- lay penofol, not forgetting to leave a gap for air
- seal all joints with foil tape
- mount the outer frame and begin cladding the room
So, today we have studied in some detail the properties of penofol, one of the most popular modern heat insulators. If you want to protect your home not only from cold and moisture, but also from noise, if you are interested in maintaining the maximum usable area of the room and still be financially profitable, give your preference to this magnificent material.
Compare penofol with other analogues, watch the video
Sometimes expensive construction work makes you think that you can do something yourself. For example, insulate your house, loggia, balcony, garage or cottage. To save money, we, as experienced specialists, recommend using penofol. It is significantly cheaper and more convenient than cheap polystyrene foam, but you can insulate walls with penofol yourself much faster.
Contents of the article about do-it-yourself insulation of walls with penofol
What is “penofol”?
Penofol is a multilayer and multifunctional material that retains heat, does not allow steam to pass through, and insulates sound. It is made from foamed polyethylene, and on the reverse side it is covered with foil. It is worth saying that penofol is not an insulation material, but a trademark of PENOFOL®. There are also different types of penofol:
Penofol marking
| Penofol type | Description | What work is it used for? |
|---|---|---|
| A | Foiling on one side | Interior work. Steam, sound and heat insulation of the house. For roofs, walls, floors, pipelines. |
| B | Foiling on both sides | |
| C | Foil on one side and self-adhesive layer on the other | |
| R | Foil on one side and relief. | For creating multilayer structures. For fencing structures. Insulation of a summer house, walls, floors. |
| M | Foiling on both sides and characteristic relief. | |
| A.L.P. | Foil on one side and a layer of polyethylene laminated film on the other | As a substrate for a "warm floor" system |
Advantages and disadvantages of penofol
It will be easy for you to compare penofol with other insulation materials after reading
What is attractive about insulating walls with penofol with your own hands:
Small thickness (2-10 mm);
Reflects up to 97% of light;
Retains more than 90% heat;
Prevents moisture penetration;
Excellent noise reduction;
Convenient to use, does not put a load on the walls;
Eco-friendly.
Things to think about before insulating:
– the material is poor for compression, so we do not recommend gluing wallpaper after insulation;
– there are many fakes on the market, buy the material from official distributors.
Thermal insulation of walls from the inside with penofol
Insulating the walls of a brick house from the inside
Stage 1. Primary thermal insulation - a 2 mm thick film is attached using liquid nails. The costs are minimal, and the work will be much more convenient, believe me. Additional insulation for walls is needed if there is electrical wiring there, because aluminum conducts electricity well.
Insulation of loggia, balcony
According to the Housing Code of the Russian Federation, it is prohibited to install central heating in a loggia, so it is worthwhile to both insulate the walls of the loggia with penofol and connect a convector. On the other hand, many make combined thermal insulation: + penofol or penoplex + penofol, then you may not need additional insulation.
How to insulate a loggia with penoplex and penofol correctly?
| Stages | Size | Why do this | |
|---|---|---|---|
| 1 Gasket installation | thickness 2 mm | it’s more convenient to work if the wall is crumbling | |
| 2 We fasten the penoplex with umbrella dowels | thickness 2 mm diameter 6 mm | moisture protection, fireproof | |
| 3 Pay attention to the corners where there should be no joints | _ | It's especially cold there and mold appears | |
| 4 We sew up the joints with good metal tape | _ | close the gaps for better vapor barrier | |
| 5 We lay penofol on penoplex with self-tapping screws every 50 cm | thickness 4 mm | ||
| 6 We secure the foam joints with metal tape | _ | for better heat and vapor insulation | |
| 7 Let's do wooden sheathing on dowel-nails | _ | for attaching the base under the finish | |
| 8 Conduct electricity | _ | for a residential loggia this is definitely necessary | |
| 9 Cover the windowsill areas | _ | this way you can install window sills, which are installed after insulation | |
| 10 Sew everything up with plasterboard | _ | for finishing |
In this option, be sure to leave an air gap of 1.5-2 cm.
Attention! Insulate the loggia only after glazing!
Where can I order penofol?
As already mentioned, PENOFOL® is a trademark, namely of the Lit plant, which offers penofol 2000 type C for various types of insulation: not only insulating walls from the outside and inside with penofol, but also for pipelines, cars, etc.
To protect yourself from product counterfeiting, contact your regional representatives, such as:
| Representative | Products offered | Approximate price, rub |
|---|---|---|
| Moscow | ||
| Online hypermarket isolux.ru | Penofol A, B, C | from 1012.00 per package |
| Online store StroyShopper | Penofol B, S | from 930.00 per package |
| LLC "Stroy-Opt" | Penofol A, B, C | from 42.35 per sq.m. |
| Online store Eco-trade e-t1.ru/ | Penofol A, B, C | from 44.55 per sq.m. |
| Internet hypermarket Gipotrade | Penofol A, B, C | from 779.00 per package |
| Saint Petersburg | ||
| Manufacturer ZOA "Plastex" | Penofol A, B, C, ALP, NET, AIR | no data |
| LLC "Tentros" | Penofol A, B, C | from 1987.00 per package |
| LLC "Snabros" | Penofol A, B, C | from 2362.40 per package |
| LLC "Inkomos" | Penofol A, B, C | from 37.96 per sq.m. |
| LLC "Armada-climate" | Penofol S | from 166.10 per sq.m. |
Do-it-yourself insulation of walls with penofol and penoplex video
To better understand the insulation process, watch the video consultation.
A multifunctional material is presented on the construction market - Penofol, which, with a minimum thickness, provides almost 100% results. It is used for heat and sound insulation of buildings of any type. It can act as an additional or independent layer.
Insulation Penofol
The range of Penofol allows its use in individual houses, civil buildings and industrial buildings:
- insulation of walls, floors, ceilings, attics and attics;
- insulation of pipes in water supply and heating systems;
- insulation of equipment in various industries, including agricultural, medical and food production;
- ventilation and air conditioning systems;
- insulation various types installations used for transporting cold and hot food products;
- rooms with high drying chambers, baths, saunas, etc.);
- heat and sound insulation of passenger and truck bodies;
- This universal material is widely used in underfloor heating systems.
Penofol photo
Foiled Penofol insulation
The combined material consists of a base layer, that is, porous polyethylene with one or two-sided coating of a metal sheet (foil). Its uniqueness lies in the simultaneous performance of several functions: convection and heat reflection. Thus, with a small thickness of Penofol, it is possible to achieve amazing heat and sound insulation. The material is produced in rolls. Sheets can have a thickness from 3 to 10 mm.
The comparative table presents different types of building materials, the use of which can achieve the same result. Penofol type B 4 mm thick is equivalent to:
Advantages
- Ecological cleanliness. The raw materials for production are polyethylene and foil, which have been successfully used in the food and medical industries for many decades.
- A thin layer of material guarantees high thermal resistance. A sheet of Penofol 4 mm thick is equivalent to wall masonry of 2.5 bricks;
- High vapor permeability ensures free release of excess moisture. The absorbency of the material is zero, so its use is possible in rooms with high humidity levels. Foiled polyethylene foam is also used for outdoor work.
- The material is characterized by excellent sound insulation properties. It will protect the structure from acoustic and structural noise.
- The light weight of the sheets ensures quick installation. Thanks to its elasticity, the material fits perfectly on any surface. Ruled can be done with an ordinary kitchen knife. Fastening is carried out using self-adhesive aluminum tapes and a furniture stapler.
- Non-flammability. Fire technical characteristics state that the presented material belongs to the low-flammable and low-flammability groups (G1 and, accordingly, B1). With prolonged exposure to open fire, the sheets may smolder slightly (smoke-forming ability D2).
- Convenient for storage and transportation. Lightweight and flexible canvases are rolled into compact rolls that fit even in the trunk of a car.
Flaws
- The softness of foamed polyethylene has a beneficial effect during installation, but negatively affects the further finishing of the building or room. The surface is not intended for plastering or wallpapering.
- Despite the high physical and technical characteristics of the material, it is used in most cases as an additional layer. To achieve effective thermal insulation results, it is recommended to use it in combination with other types of insulation.
Penofol video
Penofol application
The manufacturer presents several modifications, letter designation which informs about its features.
| type | Thickness (mm) | Length (mm) | Width (mm) | characteristics | scope of application |
| A | 3,4,5, 8 and 10 | 1200 | foamed polyethylene with one foil side | It is mainly used for insulating walls, attics and attics together with other types of insulation. This material is widely used for insulation of engineering systems | |
| IN | 3,4,5, 8 and 10 | With a thickness of up to 5 mm - 3000 mm; 8 and 10 mm - 1500 mm | 1200 | Foamed polyethylene base with double-sided foil | Effective as an independent insulation for interfloor ceilings and internal walls, partitions |
| WITH | 3,4,5, 8 and 10 | 600 | One side of the polyethylene foam is covered with aluminum foil, the other with a self-adhesive layer. Installation is carried out without the use of additional fasteners | Used for insulation of complex structures, optimal for hard-to-reach places | |
| ALP | 3 | 3000 mm | 600 | The base is covered with foil on one side. The foil side is laminated with polyethylene film | This product provides reliable protection from corrosion processes. Ideal for use in underfloor heating systems |
Today, products are also produced in other modifications, for example, with a reinforced base (fiberglass) or additional perforation, which are intended for external insulation of building structures.
How to insulate with Penofol
- Mounting the canvases is quite simple; fastening to the surface is done using staplers or adhesives. The sheets are placed end-to-end, but overlaps of up to 10 cm are allowed. The foil side should face the inside of the room, house, pipe, etc.
- Particular attention should be paid to insulating the wiring, since aluminum is a good conductor of electricity. Plastic channels or corrugated pipes can be used here.
- The basic rule that must be observed is the presence of a ventilation gap of 1.5-2 cm on both sides of the material. This is explained by the fact that the polyethylene base is absolutely waterproof, so the moisture that inevitably arises during the operation of the structure will accumulate and moisten other structural elements.
- Assembly joints or accidental cuts in the panels are glued with self-adhesive aluminum tape (LAS or LAMS). Mounting tape ensures complete vapor and waterproofing of the system.
Insulation of walls with Penofol from inside the room
Internal wall insulation will prevent the formation of moisture, and therefore the development of mold and mildew. The work is carried out in the following order.
- Slats 1.5-2 cm thick are attached to the surface in a vertical position; this characteristic will provide the required ventilation gap. The pitch between the bars should be 600 mm. Since the width of the canvas is 1200 mm, this indicator is optimal for installing insulation.
- Laying is done with the foil side facing the inside of the room. The edges should be located in the middle of the slats. The next sheet is placed end to end with the previous one. The optimal fastener is construction or furniture stapler, you can use small nails.
- Cutting the canvas to length is carried out using a ruler and a sharp knife or blade.
- All connecting seams are taped with special tape, which will ensure complete sealing between the canvases.
- The next step is to reinstall the slats. Their location is selected depending on the characteristics of subsequent finishing materials. A wooden frame can serve as a basis for attaching panels made of plastic or wood, as well as plasterboard sheets, which are puttied and then painted or wallpapered.
Installation of Penofol outside the building
Experts say that the most effective way of insulation is to install heat-insulating material outside. The perforated modification of Penofol facilitates the free removal of steam and moisture emanating from the building. In addition, the material protects the walls from wind and precipitation, provides high level soundproofing. An important advantage of external installation of insulation is saving the usable space of the room.
- Insulation is recommended to be carried out in dry, warm weather. The surface is cleaned of previous coatings, dust and dirt. Then it is subjected to antiseptic treatment. Special attention should be given to the corners and lower parts of the walls, as they are more susceptible to freezing.
- As with internal insulation, slats are mounted on the surface. Fasteners are selected depending on the wall material.
- The canvases are laid end to end. Fastening is carried out with a stapler. The seams between the sheets, as well as the junction of their upper and lower parts to the walls, are taped with aluminum mounting tape.
- Next, the outer frame is built, which is lined with profiled sheets, vinyl siding and other materials. If the cladding is brick, then there is no need for a re-frame. In this case, the masonry is erected at a distance of 30-40 mm from the load-bearing walls, ensuring the necessary connection, taking into account the features and nature of the structure being built.
Insulation of cement floors with Penofol
- Material grade A can be used as a substrate for parquet, laminate, linoleum. It will show high performance in terms of heat and waterproofing, as well as noise absorption.
- To insulate concrete floors, first screed with a mortar with the addition of expanded clay. However, dirty and labor-intensive work can be avoided if this layer is replaced with sheets of foam plastic 5-10 cm thick, on top of which the sheets are laid with the foil side up.
- The edges should extend 10 cm onto all walls. The canvases themselves are laid without overlap. The connecting seams are taped with aluminum tape.
- To provide a ventilation gap between the insulation and the finishing material, slats or logs are packed. Wooden elements treated with antiseptics to prevent premature rotting.
- Make an indent of 1-2 cm from the wall and install slats along the entire length of the room in increments of 40 cm. The horizontalness is checked building level or laser; if necessary, adjustments are made by placing wood chips.
- The edges of the insulation interfering with the walls are carefully cut off.
- Sheets of plywood (12 mm), fiberboard or chipboard are laid on top of the frame. Self-tapping screws are screwed in every 15-20 cm. The subfloor is covered with any facing material.
Installation of Penofol in the “Warm Floor” system
- The presented material provides not only hydro- and sound insulation, but also guarantees excellent heat transfer due to the reflective foil layer.
- Canvases of grade A or C are spread with foil on top of the base, end-to-end, with an obligatory edge on the walls (10 cm each). The joints of the material and accidental cuts are taped with mounting tape (LAMS).
- Next, the heating elements are laid. Between them, bars are laid, which will serve as the basis for laying parquet, laminate or other piece products.
- In the case when the heating system is filled with sand-cement screed (under ceramic tiles), a modification of Penofol - ALP is used. This type of material does not react to unfavorable environments.
- Laying is done with a spade on the walls and butt joints, the seams must be taped.
- After installing the heating elements, the system's functionality is checked. Then the reinforcing mesh is lined and the concrete solution is poured. When the screed is dry, the protruding edges of Penofol are cut off.
The physical and technical characteristics of this material make it possible to use it for insulation and simultaneous protection from cold, dampness and noise. At the same time, the small thickness of Penofol allows rational use of the internal and external space of buildings and other structures without loss of functional properties.
Today, a large number of insulating building materials are known. Every day, the market for thermal insulation materials is expanding, and manufacturers are striving to improve their quality indicators.
Among the various types of insulation, it is worth highlighting reflective thermal insulation - foil penofol, produced in rolls. Let's find out what this material consists of and what characteristics it has.
Material structure
Foil penofol - refers to a type of reflective insulation. Such material was created solely for the purpose of protecting various structures from factors such as draft, cold, wind, moisture and vapor. It went through several stages of improvement, as a result of which it combined such qualities as: sound, heat, steam and waterproofing.
Consists of several main layers:
- The first layer is polyethylene , foamy consistency with closed pores. The pores are filled 90% with air, so the material prevents heat transfer. The first layer can vary in material thickness, density and structure.
- The second layer is aluminum foil, which reflects heat. Foil - penofol can be covered on one or both sides, which is reflected in the technical characteristics of the product, as well as its features. It is worth noting that the connection of foil with polyethylene is carried out by heat welding.
Available in thicknesses from 2 to 40 mm. The thickness of the foil varies: from 12 to 30 microns. The operating principle of foil penofol is based on the functioning of a thermos. Thanks to air cushion, which is covered with a reflective element in the form of aluminum foil, manages to retain heat for a long time. The use of such thermal insulation material in the construction of a house makes it possible not only to significantly save on heating, but also to slow down the process of warming up the house in the summer.
Advantages and disadvantages
Penofol, like any other building material, has its advantages and disadvantages. Thanks to these important factors, it is possible to choose the best option for insulating the house.
Benefits include:
Despite this set of advantages, penofol also has some disadvantages:
- The material is excessively soft, so it cannot be plastered like polystyrene foam;
- To secure it to the surface, you will need to additionally use glue. Self-adhesive penofol is produced, which does not have such a drawback;
- Use penofol as an independent insulating layer for external walls buildings are not recommended. It can be used as an additional insulating layer.
Main technical characteristics
Having learned about the advantages and disadvantages, it is worth finding out what basic technical parameters this material has:
Kinds
Depending on the intended use of the material, manufacturers produce the following types:
- Type A, covered with foil on one side only. It is also called one-sided;
- Type B, presented in the form of a double-sided foil coating. Used for autonomous type of insulation;
- Type C, self-adhesive penofol, which at its base consists of foil, polyethylene and a layer of moisture-resistant glue. This option is convenient for installation and does not require additional installation tools.
In addition to the three main types, manufacturers also produce the following options:
- type ALP, which is additionally covered with plastic film. This film is designed to protect the material from aggressive environments;
- type M and R, presented in the form of one-sided insulation with a relief base;
- type AIR, special materials used to construct air vents.
Application
1) As a heat insulator:
2) As additional element facilities:
Installation rules
Depending on the scope of application of penofol, the methods of its installation differ. To carry out installation work on laying material on the balcony, you should be guided by the following technology:
We insulate the walls of the house with penofol from the inside
To insulate walls from the inside, it is recommended to use penofol up to 5 mm thick. You should use a material with a one-sided foil element. If 5 mm of insulation is not enough, then it is better to additionally insulate the walls with polystyrene.
The installation principle consists of the following steps:
- First you need to measure the required size of insulation and cut it;
- Using a stapler, you need to attach the material to the wall. For a concrete wall, you can use glue or staples;
- The material should cover the entire surface of the wall;
- The joints of the sheets should be taped with adhesive tape;
- A frame made of slats or plywood is installed on top of the foam foam;
- Then, plasterboard or chipboard is installed.
After the entire room has been covered with plasterboard, you can additionally insulate the house from the outside using polystyrene foam.
Using penofol, you can insulate the walls of the house from the outside, but after installation, you will need to protect it by covering the walls with plastic or corrugated sheets.
Using this material as insulation for a home, you can significantly reduce your heating costs, since the material copes well with its main purpose - saving heat.
Leroy Merlin price
For a roll intended for insulation 25 sq. meters, 5 mm thick, total: 1200 rubles.
What is penofol, what is its structure, types, technical characteristics, pros and cons of a heat insulator, selection rules and features of installation of foil material.
Description and features of penofol production
For the first time, reflective thermal insulation began to be used in the United States as one of the elements for the manufacture of space suits. This technology was later adopted by builders around the world.
Foil penofol is a rolled material that combines the excellent thermal insulation qualities of foil and polyethylene foam. Polyethylene foam can have different structures and densities. His pores are closed. Thickness ranges from 2 to 10 millimeters.
The thickness of the foil layer is approximately 20 microns. Aluminium foil with a purity of at least 99.4% is applied to a polyethylene base by heat welding.
To understand the principle of operation of this insulation, you should remember how heat is transferred from object to object. This happens in three ways: convection (movement of warm air), conduction (thermal conductivity of the objects themselves), thermal radiation (heat transfer through electromagnetic infrared waves).
Most modern insulation materials can only prevent one type of heat transfer. Penofol acts in combination: polyethylene foam prevents convection, and foil increases the rate of thermal reflection up to 97%. Thus, the total coefficient of resistance to thermal transfer of penofol with a thickness of ten millimeters reaches 1.355. For example, the same indicator for a brick wall 54 centimeters thick is 0.405.
Unlike other types of insulation, penofol does not retain heat, but reflects it. The material is used both independently and in combination with other heat insulators.
Main types of penofol
This heat insulator comes in several varieties. They are indicated by a special marking in the name of penofol. Let's look at the main types:
- A. The material has an aluminum foil coating on one side only. Typically, this penofol is used in combination with other insulation materials (for example, styrodur or polystyrene foam).
- IN. The foil covers the polyethylene foam layer on both sides. This type of heat insulator can be used as an independent insulation material.
- WITH. This is self-adhesive penofol. On one side, this material is covered with foil, on the other, it has foamed polyethylene with a moisture-resistant adhesive composition. Installation of such a heat insulator is simple and does not require additional funds.
- ALP. This is insulation, on the foil part of which a polyethylene film is applied. It is also called laminated penofol. It is used in agriculture and in mildly aggressive environments.
- R and M. Varieties of relief material with one-sided foil coating.
- Super NET. Penofol has a special structure, which is suitable for insulating various networks, for example, pipelines, air outlets, and heat.
- AIR. This is insulation that is used to create air exhaust structures.
On sale you can sometimes find material marked “2000”. It is a cheap analogue of this heat insulator with reduced strength characteristics.
Technical characteristics of penofol
This heat insulator is considered universal, since it can be used to insulate various structures, residential and non-residential objects, and be used inside and outside with equal efficiency.
Let's look at the main technical characteristics of penofol, which explain its high demand:
- Thickness. According to this indicator, this insulation compares favorably with other heat insulators. Standard thickness penofol ranges from 2 to 10 millimeters. The thicker the material, the more expensive it is. The most popular and optimal for use for domestic purposes is insulation with a thickness of 5 millimeters.
- Thermal conductivity of penofol. Since we are talking about a combined heat insulator, its thermal conductivity indicator is difficult to derive and compare with other types of insulation. The material provides comprehensive insulation by reducing convection and reflecting heat rays. Therefore, it is customary to talk about the heat transfer resistance of penofol. If we calculate this indicator for a material with an average thickness of 4-5 millimeters with double-sided foil, then it will be equal to 1.2-1.23 m 2 / C / watt. To achieve the same results, you will need a layer of mineral wool of at least 85 millimeters.
- Moisture resistance. Penofol practically does not absorb water. It does not matter the humidity of the ambient air indoors or outdoors. The moisture absorption rate for this insulator is 0.35-0.7% per cubic meter.
- Vapor permeability. When using penofol, it is not necessary to lay an additional layer of vapor barrier. The vapor permeability coefficient of the material is less than 0.001 mg/m/h/Pa.
- Soundproofing. When installed correctly, penofol provides a decent level of noise absorption - 32 decibels and above. For good sound insulation, the material must be installed on top of the building structure frame with no seams. In this way, the penetration of acoustic and structural noise can be avoided.
- Flammability. Penofol belongs to the class of materials that are difficult to ignite and do not support the combustion process. According to the licenses and certificates assigned to this heat insulator, it is not fire hazardous. When ignited, it releases carbon dioxide and water. However, when there is insufficient oxygen in the surrounding air, penofol begins to produce carbon monoxide.
- Mechanical resistance. The material is non-rigid and has compressive and bending strength in the range of 44-74 kg per cubic meter.
- Operating temperature range. Penofol can be used at temperatures from -60 to +100 degrees Celsius.
- Chemical resistance. The material is resistant to almost any chemicals.
- Environmental friendliness. Penofol is considered an environmentally friendly material, since it is based on polyethylene foam, which does not release any toxic substances or volatile compounds into the environment. In addition, this insulation allows you to protect yourself to a significant extent from the influence of electromagnetic waves.
- Lifetime. Manufacturers guarantee that penofol can serve without loss of its qualities for about two hundred years. It is not yet possible to verify this statement in practice, since the material is relatively young.
Advantages of penofol
The main advantages of penofol include the following qualities:
- Small thickness. Compared to many heat insulators, penofol is very thin. At the same time, it is not inferior in quality of thermal insulation. It can be used to insulate walls from the inside, and it will not “steal” free space.
- Light weight. The material is very light. Therefore, it is convenient to transport and install alone.
- Easy to install. Penofol does not crumble, does not break, and does not require the use of personal protective equipment and special tools. It cuts easily with a regular knife or scissors, and is attached to tape, staples or small nails.
- Environmental Safety. Foil and polyethylene foam, which are components of penofol insulation, are absolutely harmless. They are also used in food packaging. The toxicity of these substances is reduced to zero.
- High fire resistance. The material is difficult to ignite, so it can be used even for insulating places with high fire safety requirements.
- No need for vapor barrier. Penofol has low vapor permeability, so it does not require any additional insulating layers.
- Low price. This is a fairly economical material. In addition, there are no costs associated with its installation.
Disadvantages of penofol
Like other thermal insulation materials, foil penofol has a number of disadvantages. Let's look at them:
- Insufficient rigidity. The softness of the material does not allow plastering, painting or wallpapering over penofol. Light pressure can temporarily deform the material.
- Poor adhesion. Penofol does not stick well to walls, since its adhesive properties are quite low. It is necessary to purchase special glue or use fasteners. However, in the case of the latter, you need to act carefully so as not to reduce the insulating qualities of the material. Self-adhesive foil insulation can also be a way out of the situation.
- Aluminum conducts current well. When installing penofol, it is necessary to reliably protect the electrical wiring and prevent breakdowns.
Penofol selection criteria
When choosing foil polyethylene foam for thermal insulation purposes, you must follow these recommendations:
- From the point of view of price-quality ratio, the optimal material is 4-5 millimeters thick.
- Penofol can be used in any residential premises. But for saunas and baths, it is recommended to use reflective heat insulators based on polypropylene, which is more resistant to high temperatures than penofol.
- To calculate the required amount of thermal insulation, keep in mind that the size of penofol is usually determined by square meters. One roll contains from 9 to 18 squares.
- The reflective ability of insulation depends on the material from which the foil is made. An aluminum layer is optimal. However, sometimes there may be restrictions on the use of this metal due to the fact that it is a good electrical conductor. Then you should give preference to a material with a lavsan metallized film.
- Pay attention to whether penofol is sewn or not. If yes, then how. This can be a chemical or physical method. It is preferable to choose uncrosslinked material or one that is chemically crosslinked.
Penofol price and manufacturers
Penofol is a registered trademark. In Russia, the plant that has the official rights to produce this material is LIT. On the market you can also find analogues of penofol, which are produced under other names: Energoflex, Magnoflex, Tepofol, Izolon, Porilex, Maxizol and others.
It is worth noting that penofol-2000 has a lower price. Its cost starts from 50 rubles per square meter. However, this material is based on cross-linked polyethylene foam, which has worse technical characteristics.
The price of penofol varies depending on its brand, thickness and density. Grade A is the cheapest among classic penofols (from 155 rubles per square). The cost of grade B material starts from 180 rubles per square meter. The price of self-adhesive penofol starts at 230 rubles per square.
Carefully study the packaging and documents provided by the seller of the goods. Remember, if the manufacturer of penofol is not indicated, then you are not dealing with this material at all, but with its analogue.
Brief instructions for installing penofol
As a rule, this heat insulator is used to insulate the walls of a room from the inside. It is ideal for these purposes.
Let's look at the instructions for installing penofol with your own hands:
- We are preparing a frame made of wooden beams on the wall. It is necessary to provide an air gap of about 20 millimeters.
- We fasten the beams with dowels at intervals of 1 meter from each other.
- We check the quality electrical wiring. We isolate her if necessary.
- We cut the penofol strips with a knife and lay them end-to-end (without overlaps).
- We attach the material to the frame with the reflective side facing us, using a furniture stapler or special glue.
- We seal the seams with metal tape.
- We remount the wooden frame with an indentation of about two centimeters.
- On top of the second frame you can lay plasterboard sheets, panels, which are puttied, painted and covered with wallpaper.
Watch the video review of penofol:
Penofol is a relatively new heat insulator. It differs from most insulation materials in that it can not only act as a barrier to the cold, but also reflect heat into the room. Its cost is relatively low, and installation does not require special skills.
