What kind of insulation is better to insulate a wooden house. How and how to insulate a wooden house outside.

It's good when the house is warm and comfortable, this sounds especially true for owners of private houses. The issue of house insulation is often of interest to residents of rural areas, most of them live in wooden buildings.

If you start to tidy up the old wooden house, then you definitely need to do its insulation. There are also new houses made of timber, which for various reasons were not insulated during construction and the owners are forced to solve this problem after completion. construction works... With the implementation of thermal insulation, a natural question immediately arises, which material to use and how the insulation takes place wooden houses.

Log houses

Wooden buildings are considered the most environmentally friendly, in summer they are not hot, and in winter it is warm, there is always a normal level of humidity. Such buildings require a special approach and knowledge of operation, so that they always live as comfortably as possible, and heat loss is minimized.

Most of the heat in wooden houses goes through the roof up to about 40%, up to 35% can go through the windows, the walls take about 10%, and the floors 15%. As a result, it turns out that it takes a lot of money to heat a house in a cold period of time, but there is still no comfortable temperature for a family to live.

Correctly chosen means for performing thermal insulation normalize the temperature regime in the dwelling, including in the wooden one. A wide range of insulation materials makes it possible to insulate houses outside and inside. Professionals recommend for greater efficiency make thermal insulation from the outside of the buildingso that you can live comfortably in it throughout the year.

Material selection

The most suitable option for insulating wooden houses is mineral wool, it has all the necessary qualities - lightweight, keeps heat well and has an affordable price. The lightness and elasticity of mineral wool also makes it easy to lay the material, it will not be affected by thermal deformations of the walls of the house, and "cold bridges" will not appear. After the walls of the house have been insulated with mineral wool from the outside, they must be sheathed with a board so that the structure has a traditional appearance.

You can also insulate your home using expanded polystyrene, but they are not recommended to insulate wooden houses, such insulation is suitable for brick and concrete buildings. Wood must breathe, and polystyrene foam, despite its qualities, does not allow air to pass through well. For this reason, condensation can build up, leading to the formation of mold and mildew.

Ecowool is a good option for external insulation of wooden houses. The modern insulation contains 80% cellulose and 20% antiseptic substances. They help protect the building from rodents and mold. This material is suitable for insulating all types of buildings.

There are also options for insulating wooden houses using fiberglass, expanded clay, basalt wool, sawdust-granules. Any of the selected materials must have the following characteristics:

1. The degree of vapor permeability of the insulation should be higher than that of wood or at the same level.
2. Increased moisture resistance in order to avoid the formation of mold or mildew on the walls of the building in the future.
3. Good refractory properties, this is especially important for timber structures.
4. Breathable ability. The selected material must have this property, otherwise the wooden walls of the house will not be able to "breathe", and this will violate the entire microclimate inside the building.
5. Loose insulation structure. It will help to adhere more tightly to the walls and will give a greater effect in the thermal insulation of the home.

How to insulate wooden houses?

The process of insulating wooden houses occurs in stages, first you need to decide on the material, and then proceed to the vapor barrier of the house. As a material, you can choose:

1. Aluminum foil.
2. A special vapor barrier film.
3. Roofing material.
4. Plastic wrap.

The vapor barrier will provide ventilation to the building facade under the film, which is especially important for the walls of a wooden building with a smooth board. On such a surface, it is necessary to fill wooden slats with an approximate thickness of 2.5 cm at a distance of 1 meter from each other in an upright position. A layer of vapor barrier is stuffed onto the prepared and fixed slats. At the top and bottom it is necessary to make small holes for ventilation, with a diameter of about 20 mm. This will prevent moisture from accumulating under the film and maximize the service life. wooden structure... The vapor barrier is attached with nails or staples, and also with additional tape so that moisture does not get into the attachment points in the future.

The second stage is the construction of the frame. For this work, you will need boards 40-50 mm thick and 100 mm wide. The boards are stuffed vertically on the edge to the wall surface with a distance that will be a couple of centimeters less than the thickness of the insulation (mineral wool slabs). For this job the board should not be thin, since the facing material will then also be attached to it.

The next step is to lay the layer thermal insulation material... It is best to install mineral wool in two layers with a slab thickness of 50 mm. Insulation plates are installed between the frame boards very tightly to each other so that there are no gaps between them. The middle part of the slabs of the second layer of mineral wool should be located at the joints of the first layer of insulation so that gaps do not form. Despite the fact that mineral wool slabs are elastic and semi-rigid, they can be held without sliding on the frame without fastening. It is better to fasten them with metal or plastic anchors for greater reliability.

The last layer is waterproofing, which must be laid on top of the insulation. Waterproofing film must allow steam to pass through and not retain moisture on the wall and insulation. The waterproofing film must be nailed or stapled tightly to the wooden frame... Make the joints with an overlap of about 5-10 cm, and also glue them with self-adhesive tape for better sealing.

After finishing laying the waterproofing, you can proceed to the outer cladding of the walls of the house. The main stages of insulation have been completed, and the finishing material will only perform a decorative function. What to choose for facing will depend on the style of the building and the taste of the owners of the house, as well as their financial capabilities. Most often chosen for decorative cladding natural wood or plastic, but it should be borne in mind that the total thickness of the insulation can be from 15 to 25 cm.This will significantly deepen the windows of the old building, so you should think about how they will be closed from the side of the openings - platbands, siding, new window sills.

It is not easy to insulate the outside, it is easier to insulate the house from the inside. If you correctly carry out the external insulation of the walls of the house, this will help not only to avoid heat loss, the layer of thermal insulation will serve as protection against temperature extremes, as well as against dampness and humidity. If possible it is necessary to do the insulation of the foundation buildings. It is best to do this even before the walls are insulated, having previously processed the foundation and then sheathed it with felt or jute tow. Before insulating the walls of the house, it is advisable to treat them with an antiseptic. This will help prevent future damage to your home.

Desirable caulk all the cracks in the walls wooden house , which can be easily detected in calm weather with a lighted candle, bringing it as close to the wall surface as possible. When the flame from the candle tilts towards the wall, then there is a gap in this place. The presence of cracks can also be noticed in winter. In these places there will be a bloom of frost during the heating period of the building. It is best to seal the cracks in warm and dry weather using tow, hemp or jute.

A wooden house is a special structure, therefore it requires a special approach to itself. It can be compared to a living being; it settles in the spring and rises in the summer. Such a structure also needs insulation, like other types of buildings, but since a wooden house "breathes" it needs insulation that will help to let condensate pass through itself. Competently executed thermal insulation can extend the life of a wooden structure, it will always be warm and comfortable.

• Types of home insulation
• Internal insulation steps
• External insulation of the house
• Thermal insulation with bricks

Any home should be warm - this is an integral part of it. And for a private house made of wood, this question is very relevant.

Due to the fact that the tree in its own thermal insulation characteristics slightly inferior to other materials, then when building houses, special attention should be paid to their insulation.

There are many ways to insulate a wooden house. But in this process, a number of nuances may arise. It can be insulated both inside and outside. It can be old or new. All this should be taken into account when insulating it.

Types of home insulation

Many people wonder how to properly insulate a wooden house? There is external and internal insulation of the house. More effective way is the external insulation of the house. External insulation is made of heat-insulating material and is laid on the outer walls. This will create a building envelope with thermal insulation properties, and will not take away the usable area of \u200b\u200bthe living space.

The best and most widely used material that is mounted on the frame of the house is mineral wool (fiberglass). Mineral wool is soft and quite elastic, so it is easy to fit it between the frame posts. If it is properly fixed, then it will not collapse due to the movement of the walls arising from the subsidence of the structure of the house and from the effects of temperature changes. Moreover, rock wool cannot crack as it is soft. Planks or siding should be installed outside the outer wall.

With internal insulation, you need to warm the walls of the house, its floor and roof. Such work should start from the roof of a wooden house, then move on to the walls. You need to finish them with floors. On the ceiling, use polyethylene strips or fiberglass plates. Scatter expanded clay evenly on the floor, and make a cement screed on top.

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Internal insulation steps

IN modern species For home insulation, you can use various materials, for example, expanded polystyrene. He, like cotton wool, has great elasticity. Therefore, it is also easy to lay. Based on these properties, you can choose any of the materials for insulating a wooden house.

There are several stages on how to insulate a wooden house:

1. First of all, you need to make a frame of bars, the thickness of which will be 4-5 cm, and the width is 10 cm. The bar must be nailed to the walls and floor. After that, you need to make several holes in it, the diameter of which should be 20-25 cm. This will ensure ventilation of the facade of the wooden house. The step from one to the other timber should be slightly less than the width of the insulation. On average, it will be 90-120 cm.
2. The next step is to lay the vapor barrier. To do this, you need aluminum foil or ordinary polyethylene film. For tightness between the layers of insulation, they must be glued together with self-adhesive tape. Fastening to the rails can be done with construction tape or simply nailed.
3. Then the mineral wool is laid. For a wooden house, you need to use two layers - this will provide sufficient protection against winter frosts. Minvata are laid without gaps and crevices between the rows. The lines where the pieces of cotton will join must be shifted relative to each other in a checkerboard pattern. And the joints of the joints of the first layer should not fall on the joints of the second layer.
4. A waterproofing film must be laid on the thermal layer. It will allow steam to pass through, but retain water. You need to fix it with construction tape.
5. From above, you need to pin the slats, the thickness of which should be 3 cm, and the width of 5 cm. This will create a gap in front of the main skin and ensure the movement of air between the layers.
6. The final stage will be the installation of the outer skin. Its functions are purely decorative. Therefore, you need to select it, guided only by personal preferences.

It should be noted that if work is carried out in an old wooden house, this will lead to thickening of the walls, which will entail the need to install new window sills and trims on the windows.

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External insulation of the house

External insulation is much more difficult to do than internal insulation. It is made not only for warmth, but also to preserve the walls from weather changes in temperature, dampness and humidity. Along the way, you can also make the insulation of the foundation of a wooden house. For outdoor work, as in the previous case, mineral wool is best suited. You can also use polystyrene foam or expanded polystyrene foam. Recently, brick has been used to insulate an old wooden house.

Consider a method of how to properly insulate a wooden house and with what materials. When insulating a house with mineral wool, the design and shape of the structure are not of fundamental importance. The technology will be the same in all cases. If the facade is pre-plastered, then the vapor barrier can be omitted. Plaster combined with cotton wool will provide a breathable structure. It gives the moisture released from the house outside - this will protect the tree from destruction and decay.

Before starting work, the walls must first be treated with a composition from fungi. Make a lathing of walls from bars, 10x5 cm in size. The bar will allow you to make a gap between the wall and the cladding, which will improve ventilation. Then pieces (in the form of rectangular slabs) of mineral wool must be fixed on the walls using special dowel-nails. The head of these mounts should be in the form of plates. The slabs must be laid in a checkerboard pattern without gaps.

After fixing the cotton on its surface, you need to lay a film that removes moisture. You cannot use ordinary polyethylene film as such. Its edges must be tucked under the insulation so that it completely covers it. The next step is to secure the outer skin. The brackets used for fastening should be 5 cm thicker than the insulation.

The way the house is treated with foam to retain heat in it will be the same as the previous one. The only difference will be that it requires good ventilation in the house. Styrofoam has poor steam conductivity, so the house will be in a "greenhouse". This will cause premature decay of the wooden walls to avoid this and very good ventilation is needed.

At all times, wooden houses and log cabins are considered the warmest types of individual housing, since natural wood, due to its porous internal structure, has high thermal insulation properties. However, despite this, the constant heating of a large wooden house throughout the entire winter period entails rather high costs, especially considering that the price of natural gas and electricity is constantly increasing. Therefore, the insulation of wooden houses from the outside has now become very relevant.

In order to reduce heating costs and ensure a comfortable temperature inside their home, regardless of weather conditions, many owners of wooden houses resort to insulating the outer facade of the building using modern heat-insulating materials.

Insulation of the facade of a wooden house

Features of external thermal insulation of a wooden house

In addition to energy-saving functions, such insulation of a wooden house from the outside under plaster helps to protect the wood surface from the harmful effects of weather factors, and allows you to perform finishing buildings with any facade paints for outdoor use.

In order for the reader to independently figure out all the features of performing such work, this article will consider a detailed instruction, which indicates the main aspects of independent insulation of log cabins and frame-panel houses made of wood.

The choice of thermal insulation material

The energy-saving properties of log walls, as well as the durability and safety of wood, will largely depend on the right choice heat-insulating materials and competent implementation of all technological stages of this process. In most cases, the technology of insulating a wooden house from the outside involves the use of mineral wool panels for these purposes, as well as EPS (extruded polystyrene foam) or foam boards.

1. EPS and foam panels have high insulating qualities, do not absorb moisture and are not blown by the wind, while EPS is much more expensive than ordinary sheet foam.

1. The use of rigid foam panels greatly simplifies the work on insulation and exterior decoration a wooden house, moreover, does not require the installation of an additional crate. At the same time, expanded polystyrene does not allow air and water vapor to pass through, which can lead to the formation of condensation on a wooden facade, moreover, the foam is flammable and can be eaten by mice, rats or other rodents.
2. Rigid mineral wool mats and slabs are devoid of such disadvantages, they have a high thermal insulation capacity, they pass air and water vapor well outside, providing normal ventilation. wooden facade, do not rot and do not contribute to the development of mold, and are also not used as housing by rodents and insect pests.
3. The main disadvantage of using mineral wool for these purposes is a more complex installation process, which requires the preliminary installation of wooden lathing, as well as the use of steam and waterproofing materials.

1. With the help of special glue, the foam plates must be glued to the facade in such a way that their joints are not on the same line, but are staggered.
2. After the adhesive solution has dried, it is necessary to additionally fix each panel in five places (in the corners and in the center) using long galvanized self-tapping screws, using wide plastic washers for this.

1. If large gaps or gaps appear at the joints of the panels, they must be sealed with narrow strips of polystyrene or blown out with polyurethane foam.
2. Thus, the entire facade should be sewn up, after which the material for insulating a wooden house from the outside should be smeared with special construction glue, and then pasted over with a reinforcing fiberglass mesh.
3. After the glue has hardened and dried, the walls must be plastered and painted with exterior paint in any suitable color.

Note!

In most cases insulation of the basement of a wooden house from the outside using foam, it is performed in a similar way, however, after gluing the reinforcing mesh, it must be coated with a layer of sand-cement mortar, which should have a thickness of about 20 millimeters.

Method 2. Technology of thermal insulation with mineral wool

In order to fulfill correct insulation a wooden house outside with panels of mineral or basalt wool, you must first install a vertical and horizontal lathing from a bar or galvanized profile, the cross-section of which must be equal to the thickness of one layer of thermal insulation.

1. First of all, the entire area of \u200b\u200bthe facade must be closed with a vapor barrier membrane, after which vertical bars should be fixed on it from the roof to the basement, keeping the distance between them 22-32 mm less than the width of the insulation.
2. The formed vertical openings between the bars must be filled with mineral wool, leaving no air gaps between the plates.

1. In a similar way, horizontal beams need to be nailed to the vertical crate, after which the space between them is also tightly filled with insulation plates.
2. After installation, the insulation for a wooden house from the outside must be covered with a special waterproofing film with micropores, which freely passes water vapor and air from the inside to the outside and prevents the return of water.
3. Finally, a finishing material is attached to the wooden frame. Most often, metal or plastic siding is used for these purposes, or plastic panels with imitation of various building materials.

Note!

To increase durability and protection from decay, all bars of vertical and horizontal lathing, as well as other wooden structural elements, must be treated twice with antiseptic and antifungal impregnation before installation.

Conclusion

Mineral wool can absorb moisture, which will lead to a decrease in its thermal insulation properties, therefore, when independently performing external insulation of a wooden house using this material, small gaps must be left in the lower and upper parts of the facade, which are necessary for free air circulation.

In order to study in detail the technology for performing such work, it is recommended to watch the attached video in this article, or read similar articles that can be found on this site. If the reader has any comments or questions, I suggest discussing them in the comments form.

Dried wood not only strong and durable construction material... It also keeps you warm.

Thus, the thermal conductivity coefficient of hollow brick masonry on a cement and sand mortar is 0.52, and the same coefficient for different types of wood is 0.18–0.23. In other words, the tree is about 2.5 times retains heat betterthan ceramic bricks.

However, modern thermal insulation materials significantly outperform wood in terms of their ability to retain heat, so many owners of wooden country houses try to insulate them, reducing your costs for heating.

Usually, homeowners are interested in how to properly insulate a wooden house from the outside for siding, since this technology most simple.

Improve wall insulation can be done in two ways:

• laying the material outside;
• laying the heat insulator from the inside.

Inside wooden houses rarely insulate... The reasons for this and the details of the technology of internal insulation can be found in the article "". Consider next external thermal insulation wooden building.

Wood as a building material has specific propertiesthat need to be considered while working with it:

1. This natural material in its raw state it is quickly destroyed by fungi and bacteria, which, under favorable conditions, destroy the building in 2–3 years.
2. The wood dries out gradually, decreasing in size. Through the pores, not only its internal moisture evaporates outward, but also water vapor from the room. Vapor permeability, humidity and shrinkage of this building material must be taken into account when carrying out insulation work. Insulation of an old wooden house from the outside possible at any time, and the walls of a new one should be insulated no earlier than three years after construction.

So that these features do not negatively affect the result of the work, insulation need to be done this way:

1. Select a porous heat-insulating material that does not retain moisture and does not interfere with the escape of vapors to the outside. Protect the insulation from water droplets that can get on it from the outside.
2. If you have to make thermal insulation with a material that does not allow water vapor to pass through, leave a ventilated air gap between the wall and the insulation to remove excess steam.

If the insulation is done correctly, the dew point shifts from the outer surface of the wooden wall to the outer surface of the insulation. As a result, the wall always heats up well and remains dry, which prevents rotting and increases the service life of the building.

Most often, after laying the thermal insulation, the wall is finished with plaster or siding. In the first case need to take into accountthat the plaster is poorly permeable to water vapor. This means that with such a finish, you need to choose a scheme with an air gap between the wall and the insulation.

When finishing with siding the air gap will be between it and the thermal insulation. In this case, the heat insulator itself is placed close to the wall. Heaters when laying according to these schemes will need different ones. Their insulation will also vary.

Choosing a heater

For independent external insulation of a wooden house, materials are usually used in slabs or rolls.

For this purpose, mineral wool, expanded polystyrene in various modifications (penoplex or), are suitable. Ecowool is also used, but by wet spraying.

Mineral wool - best suited for ventilated façade construction basalt wool in slabs. It consists of melted and cooled basalt fibers bound with a minimum amount of synthetic resin. It is a dense elastic material that retains its shape well.

Does not burn, does not support combustion, practically does not absorb moisture, but passes water vapor well. In combination with a low coefficient of thermal conductivity (at a density of 50 kg / m³ it is 0.06 W / m · K), these qualities make it one of the the best heaters wood.

Ecowool is a gray powder containing natural cellulose fibers from waste, boric acid and borax. Boron compounds are non-toxic to humans and animals, but they have a detrimental effect on fungi and bacteria that cause decay. When ecowool is heated with fire, the additives act as fire retardants, extinguishing the flame, therefore, such insulation does not burn, but charred.

For independent work not suitable, since it is sprayed on wooden walls with a wet method using special equipment... In regions with a maritime climate, where the air is very humid in winter, use ecowool makes no sensebecause it absorbs a lot of water vapor and loses its thermal insulation properties.

Expanded polystyrene - this material is produced in various modifications. The best thermal insulation properties are possessed by fine-mesh. Foam plastic, which has larger cells, retains heat somewhat worse.

All modifications almost do not absorb water (no more than 2% of the volume) and practically do not allow water vapor to pass through. For this reason, this material is mounted.

Polyethylene foam is a modern heat insulator produced by extrusion. Contains very fine gas bubbles. It is made uncoated, with one-sided and two-sided aluminum foil coating.

Differs in almost complete vapor tightness. The foil layer reflects heat radiation, improving thermal insulation properties. This insulation can be applied only in a ventilated facade.

Mineral wool insulation technology

Mineral wool insulation technology provides for the installation of insulation without an air gap between it and the wall. This is done in such sequences:

1. Preparing the wall... Before starting work, the wall should be cleaned, leveled and protected from fungus and microorganisms. For antifungal treatment, special agents are sold in solutions. They are applied with a brush and left to dry completely. According to the instructions, processing can be performed several times.
2. Laying waterproofing... Small amounts of condensation may form on the mineral wool fibers. This moisture should not wet the wood. To protect the tree, a waterproofing film is fixed on the surface of the wall, which allows steam to pass through, but retains liquid water. This film is spread on the wall and secured with metal staples using a stapler. The edges of the panels should overlap by a width of 15 cm. The joints are fastened with construction tape.
3. Lathing... Over waterproofing film a lathing of bars is being built to fix the thermal insulation. For a single-layer installation, you will need bars of 50 × 50 mm, for a two-layer installation - 50 × 100 mm (with a thickness of 50 mm mineral wool sheets). The bars are attached to the wall vertically with self-tapping screws, installing them on the edge and controlling the work with a level. The distance between the bars should be 4–5 cm less than the width of the mineral wool sheets. In this case, the elastic slabs of material are well held between the bars.
4. Laying mineral wool... Insulation plates are stacked between the bars butt to each other, and then fixed on the wall with screws with fungi. If two layers are laid (in areas with a harsh climate), then the second layer of plates is mounted according to the principle brickwork: the top sheet should overlap the joint of the bottom two.
5. Fastening windproofing... A windproof membrane is fixed on top of the thermal insulation. This is a film coating that prevents the destruction of mineral wool by wind and protects it from rain drops. Such a film is easily permeable to water vapor. Fasten it with a stapler on the overlap crate.

Important: on top of the windproofing, it is advisable to fix a metal mesh to protect the mineral wool from rodents.

1. Finishing... For finishing with this method of insulation, it is best to use vinyl siding. To attach it to the bars, the laths are screwed with self-tapping screws with a section of 30 × 50 mm. Fasteners are screwed onto these slats with screws, and then the siding is snapped onto them.

Finishing do and plaster. But it cannot be applied to mineral wool, since this will significantly impair vapor permeability. Instead of siding on the slats, you can fix sheets of foam plastic, and already apply plaster on them.

Thermal insulation of a wooden house outside with expanded polystyrene

Warming a wooden house outside with expanded polystyrene (foam or polystyrene foam) is also easy to do with your own hands. Laying is done according to this technologies:

1. Wall treatment from fungus is produced in the same way as when using mineral wool.
2. After the preparation has dried on the wall with self-tapping screws the crate is fixed from vertical beams with a section of 50 × 50 mm. The distance between the beams should be no more than the width of the expanded polystyrene sheets, so that the sheets of insulation, in the future, can be conveniently attached to this layer of beams.
3. A vapor barrier film is pulled onto the crate and fixed with a stapler... Instead, you can nail a layer of foil-clad polyethylene foam () with foil towards the wall. The edges of this heat insulator are placed end-to-end, the joints are sealed with metallized tape. This leaves a 50 mm air gap between the vapor barrier and the wall to remove water vapor.
4. On top of the film or foam foam, an additional crate is stuffed onto the bars from horizontal bars. The thickness of the beams is chosen in such a way that after the installation of the thermal insulation, the surface of the expanded polystyrene sheets is flush with the outer surface of the beams. It is easy to apply plaster on such a flat surface.
5. Styrofoam sheets are laid on horizontal beams, fixing them with screws with fungi to the vertical beams of the previous lathing. If necessary, overlap several layers of insulation.
6. On top of a layer of expanded polystyrene on the crate fix the reinforcing mesh and then plaster is applied.

In this case the thermal insulation layer is protected not only from water, but also from steam. Steam seeping through wooden wall, evaporates through the air gap between the insulation and the wall. Despite the low thermal conductivity of wood, it makes sense to insulate the walls of a wooden house with modern heat insulators, since their thermal conductivity is much lower.

The installation of thermal insulation should be started after completion of the shrinkage of the new house... To insulate a wooden house, you can use materials of different properties, but subject to the condition of free steam escape through the pores of the wood.

How to properly insulate a wooden house outside under siding, look at the video:

There are often situations where walls in a wooden house lose one of their tasks, such as keeping heat. In this case, they resort to insulating the walls of the house from the outside. Insulation becomes protection from cold air.

This solution to the problem also has several more advantages: the wall of the building gains additional protection from sunlight and dampness and will last longer.

Advantages of external thermal insulation

External home insulation has several advantages:

1. The main thing among which, of course, is the preservation of heat. This type of insulation prevents a sharp drop in temperature... The wall, reinforced from the outside, retains a high thermal protection.
2. Unlike internal insulation, with external insulation there are no areas in which there is no heat, the so-called "cold bridges" since with this type of insulation it is possible to install heat-insulating material in the places where the floor joins the outer walls.
3. Also, external insulation prevents the penetration of moisture into the walls of the house.

Do not forget about the disadvantages of outdoor insulation. This process of insulating wooden houses is rather complicated and time consuming.

Warming methods

There are several types of insulation:

1. The insulator is mounted on the wall with an adhesive solution.
2. Facade ventilation. The wall is protected by waterproofing, insulation is attached from above, a windscreen is installed, after which siding or other material is installed on the frame.
3. Three-layer non-ventilated wall. The insulation is fixed with mortar, the outer wall is mounted in one brick, while observing the air gap.

It is natural that for each type of material has its own subtleties in performance... It should not be ruled out that there are combined insulating materials on the market for insulation products, or materials for which it is necessary to adhere to the technology itself.

The big plus is harmlessness. Such insulation is environmentally friendly. The only drawbacks are high price.

Expanded polystyrene

Gas-filled material like polyurethane foam. It is obtained from polystyrene and its derivatives. Such material is vapor-permeable, absorbs water well, biologically stable, long service life. These are definitely pluses.

Of the minuses - flammability, which makes it a rather dangerous material.

Styrofoam

The most popular material for external insulation of wooden houses. It has a cellular structure because cells are insulated, foam has good thermal insulation, which is definitely its plus.

Also, foam insulation gives good sound insulation, no need for additional waterproofing, ease of installation and durability.

Like all materials, polystyrene has its drawbacks: it is unsafe. when burning, corrosive substances are released, has low strength.

When choosing a heat-insulating material, you should pay attention to its service life, safety. The choice of material for insulation should be approached responsibly, to study all the pros and cons. Preference should be given fireproof and environmentally friendly materials.

Do you know what is the best way to sheathe a wooden house outside? Read this article.

We insulate a wooden house with our own hands

Insulation technology begins with the installation of a frame on which the insulation will lie.

Bars are nailed to the wall to be treated made of wood 50x50 mm in size, keep in mind that the distance should be no more and no less than 580 mm of security. The material must be laid so that there are no gaps between the wall and the bars.

Next stage - providing vapor barrier... For this, aluminum foil, polyethylene film or vapor barrier film are used. There is no need for a vapor barrier if the house is made of round timber.

When the plane is smooth, the slats are stuffed onto which the vapor barrier layer is mounted. It should be borne in mind that between the slats from below and from above there should be a stoma of 20 cm in diameter for ventilation. The places of fastening of the material for the vapor barrier are sealed with adhesive tape in order to protect against moisture ingress.

The vapor barrier is followed by the thermal insulation. The material must be installed so that there are no gaps and gaps between the frame boards. The material is laid in two layers of 50 mm each so that the joints of the first layer are aligned with the middle of the second.

For a secondary layer of thermal insulation bars are nailed across walls perpendicular to the main frame row.

Next is waterproofing. The waterproofing film must easy to pass steam and good water retention... A waterproofing layer is applied to the heat insulator layer. It is nailed to the frame.

Next is the stage of installing the secondary layer of the frame. On the first layer (over the waterproofing layer), slats 50 mm wide and 30 mm thick are stuffed.

The installation of the next layer of the frame is carried out for free air movement between the vapor barrier layer and the cladding, so that moisture trapped on the waterproofing layer is dried.

The space formed at the bottom is necessarily covered with a dense metal mesh from the penetration of rodents and insects.

At the last stage, the house is sheathed with the appropriate material (siding, lining, facade panels, and others). It should be borne in mind that wall thickness will increase by 20-25 cm and, accordingly, you need to think about the protection of the insulation from the side of the window openings.

Insulation of a wooden house from the outside: video instruction.