Each person dreams of a warm house, so that even in the most severe frosts it would be comfortable to be indoors. Therefore, the first question that confronts the owners of their home is how to insulate the walls from the outside on their own. This is especially true for wooden buildings. In this article, we will give instructions according to which the thermal insulation of the walls of the frame and timber houses outside. And for more good example you can watch the video.
There is a huge variety of thermal insulation materials. Let us dwell on the choice of insulation for wooden houses which are widely used by consumers.
Stone wool in slabs. Such material is easy to cut even with a conventional knife. Due to the low weight of the plates, it is easy to transport even in a passenger car, especially if you need to insulate a small area. During installation stone wool they are laid in the gap between the racks of the frame, and then insulated with a vapor barrier material from the inside and waterproofing from the outside.
Attention! During transport or installation, never compress or tamp the mats.
Ecowool. This is an environmentally friendly material for insulation, based on cellulose fibers. Produced in a package, in a slightly compressed form. There are two ways to insulate this material:
Styrofoam. One of the most budgetary types of insulation. This material does not absorb moisture, so it is not necessary to cover it with a moisture-proof membrane. However, when working with foam, you need to show maximum accuracy, because it can crumble and break.
Attention! As a heater, you need to purchase non-pressed foam sheets.
polyurethane foam. It is sold in the form of two-component substances that begin to foam when applied to walls when exposed to air. In operation, such material is similar to mounting foam. They fill the voids in the wall, and cut off the excess. The result is a monolithic layer of insulation, which completely eliminates heat loss. Polyurethane foam has water-repellent properties.
Natural heaters. These include slabs of sawdust or a mixture of clay and straw. Such materials are environmentally friendly, inexpensive, but their main disadvantage is the complexity of manufacturing. Linen fiber is also a natural insulation. It has antiseptic properties, preventing the formation of fungus and mold. It is easy to cut, mount, it does not cause allergies and is moisture resistant.
Pledge quality repair- Well thought out work plan. Therefore, it is worth considering in advance how you will insulate the walls: from the inside or outside. Internal insulation rarely used, tk. because of it, the size of the rooms is significantly reduced. In addition, experts do not recommend insulating wooden houses in this way, because. moisture will penetrate into the wood, from the side of the street. Because of this, mold and fungus may appear inside the structure, and the tree itself will begin to rot. In addition, it is necessary to buy material that, in its properties, will match the tree. For this, flax fiber is suitable, soft look Fiberboard, basalt and fiberglass materials.
With the external method of thermal insulation, a uniform layer of insulator is formed for the free release of vapors. The insulation is less dense than wood, because of this, steam escapes through the ventilation gap. External way thermal insulation - perfect option for those who want to insulate old houses made of timber, which have lost their “presentation” over time, after sheathing they will look like new. However, if the walls are not properly insulated, the tree will begin to deteriorate, and under the layer exterior finish, you will not be able to control the condition of the wood.
thermal insulation frame house starts with waterproofing. To do this, you can use glassine - a cheap but effective material. It is cut into strips and fastened with a stapler to the frame of the house, in increments of no more than 12 cm. Glassine sheets are glued with an overlap of up to 10 cm to protect the insulation from condensation.
Advice! If the frame of the house will be sheathed with siding, then a distance of 30-50 mm should remain between it and the insulated facade so that moisture does not linger in the frame.
Then we lay a layer of insulation. Mineral wool great option for wall insulation. It does not cause allergic reactions, has low flammability and high thermal conductivity, such plates are easily cut with a construction knife. The laying process is simple, first we measure the distances between the racks and add 5 cm on each side for allowances. Cut out the sheets right size and lay them on the waterproofing. We close the joints between the frame and the insulation with a strip of mineral wool 3-4 cm wide.
We lay a layer of vapor barrier on top, for this we use foam phenol. It must be shot to the frame of the building using a construction stapler. Penophenol is laid in a horizontal direction, leaving 5 cm joints with the foil part outward. After that, we sheathe the walls of the house with edged boards or siding.
In order to fix the foam on the wall, first we install vertical canopies from the cord. Then glue is applied to the foam sheets, along the edges and at five points inside, and fixed on the wall. Thus, the entire insulation is laid. Next you need to close the gaps mounting foam. For additional strength, we fix the sheets with plastic dowels.
Attention! Styrofoam does not absorb moisture, so additional insulation is not needed in this case.
Outside, the walls must be plastered, and before that you need to mount reinforced mesh. Putty will help protect the structure from the influence of external factors, but it should be applied in two layers. After the surface has dried, a finishing layer can be applied with decorative plaster.
External insulation of houses made of timber should be made with slab materials, they are more rigid and do not shrink over time. If you prefer basalt or fiberglass insulation, then you need to choose the right thickness. If the house is made of 15 cm timber, then the thickness of the heat insulator is 10 cm, and if the timber is 20 cm, then you can take a thinner material - 5 cm.
To begin with, the surface of the house is coated with waterproof mastic. Then a vertical wooden frame is installed, which must be smeared with an antiseptic to prevent decay. Then basalt wool is attached to it with the help of self-tapping screws or dowels-umbrellas, for 1 sq.m of insulation - 4-6 fasteners. A diffusion membrane is laid on top as a waterproofing agent. We nail slats on top of the wooden frame, 5 cm thick, which will create a ventilation gap to remove moisture. Then we nail the profiles to the rails and install the siding, starting from the bottom, checking the horizontal laying with a level.
Thus, the choice of insulation depends on your personal preferences. And to decide whether to do internal or external thermal insulation depends on how it will be done. finishing external walls. Well, if you want even the most severe frosts not to bring you inconvenience, you can insulate the walls both inside and outside.
The popularity of houses made of wood is only increasing every year. And for good reason. This is due to the ease and speed of construction works, as well as with excellent thermal insulation properties of the material. However, the latter fact does not at all exclude the expediency of warming, especially in areas with a harsh climate. How to properly insulate wooden house outside and what? Advantages and disadvantages of popular materials, as well as important nuances do-it-yourself work of this kind will be disclosed further.
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Warming wooden house outside has a lot of advantages:
Note! Improper performance of work on the insulation of a wooden house from the outside can lead to mold, damage and decay. wooden structure. Therefore, only a competent, comprehensive approach to business guarantees a high-quality, desired result.
Despite the constant discoveries and developments in the field of construction and building materials technologies, 3 options for insulation materials have confidently gained a foothold on the market:
All of them have excellent insulating properties. However, each material has its own characteristics and disadvantages, which are extremely important to consider. A detailed consideration of each material will allow you to decide how best to insulate a wooden house.
Mineral wool is compressed particles of artificial stone, basalt and slag. It does not support combustion, which is commendable for a log house, and does not undergo deformation. This material has proven itself in construction and is widely used to insulate the walls of a wooden house.
The advantages of mineral wool with confidence include:
Mineral wool also has disadvantages, although there are few of them:
When choosing mineral wool as a heater, consider the following tips:
If unable or unwilling to use mineral wool, you can insulate a wooden house with your own hands using foam. Outwardly, it is an accumulation of a large number of air, foam balls of plastic mass. In terms of insulating qualities, polystyrene (expanded polystyrene) is in no way inferior to mineral wool.
The advantages of this material include:
The main disadvantage of the building material is unnaturalness and low fire resistance.
Warming the walls of a wooden house with polystyrene foam is no more difficult than with mineral wool. Rather, on the contrary, a sheet of material is easily transferred, adjusted to the required dimensions by trimming. The nuances of working with such an insulator include:
Note! Many builders are categorically against the use of foam as a heat insulator. Because if the work is not properly organized, it will accelerate the development of the fungus on the walls of the house. To avoid this, be sure to provide a good gap between the wall of the structure and the vapor barrier to ensure sufficient air ventilation.
Penoplex is a colleague of polystyrene. It is also a cellular, honeycomb surface filled with polystyrene balls, but exceeds its predecessor in technical characteristics.
Penoplex allows you to easily insulate a wooden house with your own hands. For this, the heat insulator has a lot of prerequisites:
The disadvantages of penoplex are as follows:
As for the insulation process, it is identical to foam.
Note! A prerequisite for foam insulation is the presence of a ventilation space between the vapor barrier and the wooden wall.
Now consider how to insulate a wooden house from the outside, in stages:
Wooden buildings retain heat much better than concrete or brick ones. But they also need extra insulation. Everyone knows that wooden buildings eventually give shrinkage. At the corners and at the seams of houses, cracks and crevices form, through which cold from the street enters the house.
To prevent all this, it is necessary to insulate the outside, how and with what to do it - read below. It is also worth noting that proper thermal insulation will help home owners save on heating. But in order to maintain the desired indoor climate and extend the life of the tree, it is necessary to choose the right materials for insulation.
Choosing wall insulation, keep in mind that any tree absorbs moisture well. Therefore, it must be processed impregnations. In order for the room to have a favorable microclimate, it is necessary to take care of good ventilation in the room.
If the air exchange in the room is disturbed, then this will lead to the swelling of the tree and the formation of fungi and mold on it. To prevent the above problems, you must:
Before you start warming, prepare well all work surfaces. They should be free of mold and dirt. If they need repair, do it in advance. And check that there are no harmful insects on the tree.
Attention: if you plan to paint wood in the future, then the sealant and paint must be vapor-permeable.
Also, before warming the house, you must carefully read wall composition.
Keep in mind that the technology of warming a house made of wood provides for the presence of:
It is hydro and vapor barrier that will protect the tree from excess moisture.
An unusually large range of heaters is provided on the modern construction market. But keep in mind, not all of them are vapor permeable. As a rule, for wooden buildings use:
You can choose what kind of insulation it is better to insulate a wooden house from the outside by reading the characteristics of each of them below.
Mineral wool is an excellent choice. If you opted for this material, then you will not need special skills and abilities to apply. Since the whole workflow will be quite easy and simple.
To perform quality work, you only need to stock up on free time, necessary tools and consumable. Before work, carefully prepare the surface and properly calculate the right amount consumable.
note
Wooden houses are subject to shrinkage. Therefore, they need to be insulated only a few years after the construction.
Considering specifications mineral wool is worth highlighting:
If you have chosen mineral wool to insulate your home, please note that this material:
When choosing mineral wool, you need to consider that it happens:
Each individual option has its own characteristics. Basalt cotton has a high degree of rigidity. This material is available in slabs, it is easy to cut with any tools and it is a pleasure to work with it.
Concerning glass cotton wool, it is produced in rolls. It is not always convenient to work with it, as glass fibers strongly irritate the skin.
slag cotton wool is the most inexpensive. If you choose this particular material, carefully consider the choice of the manufacturer. Since unscrupulous companies can use raw materials harmful to people in the manufacture of their products.
You can also insulate your home with foam. This material also has a lot of advantages. The main ones include:
On the surface of the foam will not form no mold or fungus. It is fireproof, harmless and perfectly copes with sharp drops temperature and high humidity.
Important: fit given material butt to butt. Make sure your home is well ventilated to prevent mold from growing on the walls.
Expanded polystyrene is also in great demand and popular for home insulation. This material is:
Continuing to list the positive aspects of extruded polystyrene foam, it is worth highlighting such technical qualities as: resistance to burning, excellent heat and sound insulation qualities, high specifications. Expanded polystyrene is also resistant to mechanical damage and heavy loads.
note
Expanded polystyrene must be protected from ultraviolet rays. It can also be damaged by rodents.
But the main hallmark material is his moisture resistance. Thanks to this, when warming, you can not even do steam and waterproofing.
Polyurethane foam also has a wide range of applications in the external insulation of buildings. This material has benefits, how:
This material is completely non-toxic and does not harm human health in any way. It does not burn under any circumstances and is universal. It is used not only for wall insulation, but also for attics and other similar premises.
For effective insulation of a wooden house, it is necessary to correctly calculate heat insulator thickness.
Otherwise, an incorrectly selected thickness of the material will lead to condensation and dampness appearing on the walls of the building.
And too large a heat insulator will lead to a violation of the air circulation inside the room. Each manufacturer indicates the necessary information for the consumer on their packaging.
note: the lower the thermal resistance of the wall, the larger the layer of heat insulator should be.
This technology can be called the most effective, but rather labor intensive and costly. It is most often used for brick buildings. This method consists in the fact that the heat insulator is attached to the facade by any convenient way, and a wall is attached to it.
This technique is used in places with harsh climatic conditions, where the air temperature drops below 50 degrees. Recently, this method has been used quite rarely, but it can also be used to insulate a wooden house.
This technology is most suitable for houses built from round logs and timber. For this, it is necessary to use external plaster in several layers.
This method is carried out in sequences:
TO benefits such a method is worth mentioning.
Wooden houses are popular in low-rise construction. They are eco-friendly, cozy, warm and able to breathe. And warming the house from the outside will save on heating and keep your house for many years.
There are several ways to insulate a building. Most often, builders choose mineral wool, polystyrene foam or foam plastic as insulation. It should be borne in mind that they all have positive and negative properties. Carefully study them before choosing in favor of a particular material.
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To properly organize the insulation in a wooden house, you must first familiarize yourself with the structure of the wall. For proper insulation you need to create several layers:
Important! The insulation should not reduce the useful characteristics of the tree, prevent it from breathing.
An important issue that needs to be resolved before starting work is to insulate the house from the outside or inside. Experienced builders advise external insulation. It is more effective than internal. If you place the insulation inside, then the log house itself will be unprotected from the external influence of natural factors, subject to temperature changes. In this case, the tree rots more inside. External insulation protects the tree from the side of the street, prolongs the service life. In addition, this does not reduce the volume of rooms. Warming an old wooden house from the outside will improve its appearance.
Modern materials help protect your home from the harmful effects of mold.
Most cheap material for insulation - foam. In structure, this is a cluster of foamed plastic balls. Of its advantages, it is worth noting:
Warming a wooden house with foam plastic from the outside can lead to a violation of the temperature and humidity regime. This is facilitated by the lack of ventilation in the foam. The house will have to carry out an additional ventilation shaft or install an air conditioner. Styrofoam is a non-natural and non-breathable material. Afraid of fire.
To properly insulate the walls of a wooden house from the outside with foam, you need to follow a number of rules:
Important! The water accumulated inside the foam increases the pressure during expansion, which leads to the disintegration of the material into separate particles and the loss of its properties.
The insulation technology is as follows:
Penoplex is made from the same materials as polystyrene. It differs only in increased technical characteristics.
Positive qualities of penoplex:
Penoplex also has a number of disadvantages:
Do-it-yourself insulation of a wooden house from the outside with foam plastic is similar to insulation with foam plastic.
Mineral wool is considered the best insulation wooden house outside. Thanks to her, the tree retains its best properties. According to its composition, it is a compressed artificial stone, slag and basalt. There are several types:
The advantages of the material include:
Of the minuses, it is worth noting:
When insulating a wooden house outside with mineral wool, consider several factors:
The house can be insulated with natural materials, such as sawdust slabs or a mixture of straw and clay, flax fiber. The advantages of materials include:
Of the minuses, it is worth noting:
When mounting the insulation, it is imperative to perform a waterproofing and vapor barrier layer.
Important! The vapor barrier must be installed inside, from the side of the room and warm air, respectively, and the waterproofing must be installed outside, from the side of cold streams.
For wooden houses, it is better to choose insulation made of membranes. They allow the building to breathe. Pay attention to the sides of the film. The glossy side should look at the insulation, and the porous side should look at the wall.
Before starting insulation work, it is necessary to assess the condition of the walls and ceilings. Repair everything you need, clean the walls of dirt, cover with a composition that protects against fungus. This will extend the life of your home.
External insulation of the walls of the house with the help of mineral wool takes place in several stages:
An additional measure may be work on the insulation of the foundation. For such purposes, foam or foam plastic is best suited. It also closes with decorative elements.
External insulation of the house should be given special attention. Thanks to the right material and well-done work, your family will be able to survive even the most severe frosts. At the same time, your wooden house will still breathe and will not lose its useful properties. By insulating the building from the outside, you protect it from the negative impact weather conditions, do not allow the tree to absorb too much moisture and rot, save it from fungus and mold. Accordingly, the service life of your house will increase significantly, and your grandchildren will be happy to come to a beautiful and warm house.
Insulation of the walls of a wooden house is an important stage in the construction country cottage. Insulation solves several problems at once: it provides thermal insulation and retains heat in the room for a long time, protects from noise and wind. In addition, it is convenient to lay the finishing of the facade on the insulation. Experts recommend insulating the walls of the house from the outside, as interior work reduces the space inside the building and does not provide full effective insulation.
In this article, we will look at how to properly insulate a wooden house from the outside.
Warming a wooden house from the outside includes three main stages. First of all, you need to calculate and select the material. Then follows the laying of insulation and, at the end, the finishing of the facade. First, let's look at how to choose the right insulation for the exterior walls of a wooden house.
Today manufacturers offer different kinds heaters. When choosing a material, pay attention not only to the cost and ease of installation. High-quality insulation should have low water permeability, high thermal insulation and vapor permeability, resistance to fires and rodents. It is desirable that it be a natural material that does not violate the environmental friendliness of wood. If you are insulating walls with your own hands, the insulation should be easy to use.
The most suitable material for insulation wooden walls considered mineral wool. It guarantees high thermal insulation, allows air to pass through (ventilated) and allows the wood to “breathe”. Mineral wool is distinguished by softness and elasticity, simple calculations and installation. Therefore, you can easily lay the material with your own hands. Mineral wool effectively fills cracks and voids. In addition, rodents cannot damage the product, and the low weight of the insulation will not create a load on the walls and foundation of the house.
The second most popular insulation for wooden walls is polystyrene foam. It represents foam in sheets. This is a good and effective insulation that will keep the heat in the room for a long time. It is characterized by light weight and simple installation, high soundproofing qualities and long service life.
However, such material "does not breathe" and is not ventilated, which is bad for natural wood. As a result, the walls will gradually rot and mold. In addition, the foam plastic can be damaged by rodents, and in the event of a fire, the insulation will slowly smolder, which is very dangerous.
Experts recommend using mineral wool to insulate the walls of a wooden house. Mineral wool is produced in layers or in rolls in slabs. The material in the plates is more convenient to use and during installation, which is important when doing do-it-yourself work.
The heaters of this Danish company absorb noise and vibration, are distinguished by high thermal insulation, environmental friendliness and fire safety. Such material will last a long time without deformation and destruction. It will not crumble either during installation or during operation. Be careful, as fake products of this company are often found on the market!
The French company offers a wide range of mineral wool, which guarantees protection from cold and noise, increases the energy efficiency and comfort of a wooden house. The materials have several environmental quality certificates, which confirms the environmental friendliness and durability of the insulation. In the catalogs of the company you will find modern products with high strength and elasticity, without dust and “pricklyness”.
The mineral wool of the Finnish company is characterized by high thermal insulation, fire resistance, durability and environmental friendliness. Big Advantage this insulation in energy efficiency, because the material saves thermal energy. Mineral wool Paroc protects against noise and dust, but has a fairly high price.
These are Russian heaters with high rates of vapor permeability, heat and sound insulation. The material is characterized by increased fire safety and environmental friendliness, strength and durability, resistance to mold and bacteria. Knauf mineral wool is distinguished by easy installation with low dust generation and no strong odor.
Mineral wool made from natural and naturally renewable components. The material is distinguished by rigidity and strength, high heat and sound insulation, incombustibility and long service life. Experts recommend the new generation of PureOne cookers as they meet every requirement for quality and environmental friendliness.
Ursa PureOne is 1.5 times more rigid and durable than other thermal insulators! The material does not prick, does not crumble and does not deform. However, it is not among the top three products, as it collects dust a lot and emits bad smell during installation. Therefore, during installation, be sure to use special protection!
Good and inexpensive mineral insulation with a wide choice of models on density. The material is characterized by high vapor permeability, fire safety and environmental friendliness, resistance to deformation. Minvata Beltep will provide acoustic comfort for the room.
Mineral wool with good sound and heat insulation properties, increased fire safety and environmental friendliness. Non-combustible material has an average density, suitable for wall insulation, shed and mansard roofs. But keep in mind that the insulation crumbles slightly when laying and is difficult to cut.
The largest manufacturer, which represents a wide range of heaters. Materials are distinguished by environmental friendliness and fire safety, high heat and sound insulation. But despite the popularity and availability of the material, he collected a lot of negative reviews. The mineral wool of this company is deformed and crumbles during installation. In addition, packs often come across slabs that are different in structure and density. Some sheets are much thinner than the indicated values.
Insulation of a wooden house from the outside is best done in the warm season. Before starting work, the surface of the walls is prepared for insulation. Preparation includes cleaning logs, repairing cracks and treating wood with protective agents. Antiseptics will protect wooden materials from rotting and mold, and flame retardants will not allow fire to spread over the entire area of \u200b\u200bthe walls in case of fire.
Two days after the processing of the wooden walls, they proceed to the waterproofing layer. As a waterproofing, aluminum foil, standard polyethylene or special porous insulating film is used. When laying the insulating film with your own hands, make sure that the porous surface lies inward “facing” to the wall.
The waterproofing material is laid horizontally from below with an overlap of 10-15 cm and gradually lifted up. The film or foil is attached to the surface of the walls with brackets using a construction stapler. The joints are carefully glued with construction tape.
A crate of bars or boards with a thickness equal to the thickness of the insulation is laid on the waterproofing layer. The standard thickness of the insulation is 50 mm. For a wooden wall with a thickness of 20 cm and temperatures in winter up to minus 20, one layer of mineral wool is enough. In colder winters, two or three coats should be applied. The distance between the bars or boards is made 3-5 centimeters less than the width of the insulation.
The next step is the installation of insulation. Mineral wool is easy to install with your own hands. If necessary, the plates are cut. Through the cotton wool with an interval of 50 cm, a hole is made in the wall and an anchor is driven in, and a core is driven into the anchor. When working with mineral wool, wear a protective mask and goggles!
Waterproofing is once again laid on the insulation layer, which is fastened with brackets to the crate. Then a counter-lattice is made of bars or slats with a section of 50x50 mm. It is desirable that the wooden materials of the battens and counter battens be treated with antiseptics! This will increase the life of the structure.
At the end, the facade is finished. Block house, lining, siding and even brick are used as finishing materials. Experts recommend using natural material, such as wooden lining, block house or timber. This will preserve the aesthetics and harmony of a wooden house.
The above finishing materials are also easy to install with your own hands. During installation, it is important to fasten the products close to each other and not leave gaps and crevices through which moisture or insects can enter the wooden walls.
But what if you want to keep log house in its original form, and at the same time use the building for permanent residence? Indeed, without insulation in such a cottage it will be cold. In this case, insulation and sealing of the seams are used.
After installing the log house, the walls are caulked, i.e. lay logs with insulation. The material used is jute, moss or tow. Installation starts from the bottom crown, go along the perimeter of the house and only then move on to the next crown. First, insulation is done inside the house, and then outside.
Warming and finishing are performed only after shrinkage of a wooden house!
To consolidate the result, the seams between the logs inside and outside the house are sealed. Experts recommend using acrylic sealants (“warm seam”). Such material is distinguished by environmental friendliness, durability, good thermal and waterproofing. In addition, the sealant is easy to use and install.
To properly insulate wooden walls from the outside, you need to choose a high-quality insulation and follow the laying technology. External insulation will require serious financial and time investments, but as a result, you will get annual savings on heating your home. In addition, living in such a room will be comfortable, and the service life of the structure and wood will increase.
If you do not know which insulation to choose and how to install the insulation of wooden walls, contact the professionals! Masters "MariSrub" will select and calculate the necessary heat-insulating materials, reliably and quickly perform work on the insulation and decoration of a wooden house, cottage or bath.