Insulating a house from the outside is, on the one hand, a fairly simple procedure that you can handle on your own, even without any experience. But, on the other hand, this operation raises a lot of questions, and also requires strict adherence to technology, otherwise the result will not meet your expectations. Therefore, below I will describe to you several ways to perform external insulation as efficiently as possible and without damage to the structure.
Many people who are faced with insulation for the first time do not know how best to place thermal insulation from the inside or outside. According to SNiP 3.03.01-87 in private houses, for a number of reasons, it is necessary to carry out external thermal insulation:
Thus, the answer to the above question is unequivocal - internal insulation performed only in cases of extreme necessity.
So, if you decide to insulate the outside of your house with your own hands, you will need dry thermal insulation material in the form of slabs or mats for these purposes. As a rule, mineral wool or polystyrene foam is used as insulation. With their help, you can insulate the facade in several ways:
If, for example, you need to insulate an old wooden or country house frame house, That this method insulation is the best solution. Moreover, block insulation can be combined with other heat insulators.
Everyone must decide how and with what to insulate the house from the outside, depending on the situation, financial capabilities and wishes regarding the design of the facade. As you can see, each of these methods has its own advantages and disadvantages.
Below we will consider in more detail all the insulation options described above.
First of all, I will tell you how to properly create a wet facade. To do this you will need the following materials:
Before buying a heat insulator, people are always interested in what is the best way to insulate a house from the outside? If the house is brick or made of other non-combustible materials, you can save money and use polystyrene foam. If the structure is wooden, it is necessary to use mineral wool, which will serve as fire protection.
The process of installing insulation with your own hands looks like this:
It should be noted that on at this stage it is necessary to ensure an even vertical surface walls, therefore, in the process of gluing the insulation, you need to use a level and beacons (a horizontally stretched thread along the wall along which each row of heat insulation is aligned);
I note that the mesh must first be cut into sheets of the required length, taking into account the fact that it should be overlapped and turned over at the corners;
This completes the work. It should be noted that using this technology it is possible to insulate not only a private house, but also an apartment.
Making a curtain façade on your own is no more difficult than a wet one. To do this, you need to prepare the following materials:
Many people are sure that the cheaper the heat insulator, the better. However, the same mineral wool or polystyrene foam comes in different qualities. For example, cheap mineral wool can be exposed to moisture, and polystyrene foam can easily ignite and sustain combustion, so it is better to use materials from famous brands, even if they are not the cheapest.
Insulation instructions look like this:
That's it for the montage. curtain façade completed with your own hands.
If you need to insulate an old, for example, log house, then it is better to build additional walls for it, which will also serve as insulation. Of course, this will require more time and effort, but the result is well worth the expense.
There are quite a lot of options for covering walls. The most common materials are:
So that you can decide on the materials yourself and understand, for example, why a gas silicate block is better in comparison, for example, with aerated concrete, below I will provide a table with the main characteristics of these materials:
As we see, some materials benefit in strength, others – in thermal conductivity. Eg, gas silicate block more durable than wood concrete, but at the same time it is more heat-conducting.
Certainly, important factor The choice is also the price of the material. Arbolite blocks cost about 4,000 rubles per cubic meter, and polystyrene concrete material costs about the same. The price of gas silicate is slightly cheaper - about 3,000 rubles per cubic meter.
The house cladding technology is as follows:
Walls built from heat-insulating blocks require further finishing, for example, plastering. That's why this technology insulation is rarely used. Most often it is used in cases where it is necessary to strengthen and insulate a garden house.
If the same procedure is required for a residential building, you can line it with bricks and place it between the walls mineral mats. Of course, the costs in this case will be much higher, but additional finishing will not be needed, and the building will acquire a solid and presentable appearance.
Here, in fact, are all the options for external insulation of houses that I wanted to introduce you to.
As we found out, there are several methods for effective external insulation of houses, which have their own advantages and disadvantages. Regardless of the technology that is optimal for you, you can cope with this task yourself. The main thing is not to violate the sequence of actions described above and do the work carefully.
See the video in this article for more information. If during the insulation process you encounter any difficulties or some points are not fully clear to you, ask questions in the comments, and I will be happy to answer you.
September 7, 2016If you want to express gratitude, add a clarification or objection, or ask the author something - add a comment or say thank you!
How to insulate the outside walls of a private house efficiently, quickly and inexpensively? Is it possible to do this kind of work with your own hands? It should be noted that important fact that insulating the outside is not only about improving the microclimate and creating comfortable living conditions. Such measures have purely economic grounds: the fact is that when high-quality insulation walls in the house from the outside, there is no need to use additional space heating systems (for example, electric heaters). This means that your electricity bills will be noticeably lower. The savings will be noticeable even if you heat your dacha with gas, because you will not have to use the maximum power of the boiler or other equipment you have. gas equipment. Another important advantage of carefully insulating the walls of your home with your own hands is that at low temperatures, coupled with high humidity, there is a high probability of the development of fungi and mold: and if the house is warm and dry, this risk is minimized.
Thermal insulation of the walls of a private household from the outside can be done either with the help of professionals or with your own hands. Selection of materials for modern market large enough, and every homeowner will be able to find an option that is optimal in cost. However, when choosing an insulation material, you need to focus not only on cost, but also on other important points.
The first aspect of choice is the material from which the walls of your country house. For each insulation option, individual installation methods are provided. And it may turn out that for your home a certain type insulation will do, but it will be impossible to install it with your own hands, or it will be possible to insulate it only with the condition of additional preparation of the surface and, accordingly, with the involvement of additional finances (and the final amount may turn out to be greater than you expected). And in order to minimize both financial and time costs, you need to choose the insulation material very carefully.
It should be remembered that insulation for a private house from the outside will be most effective. The undoubted advantage of careful external insulation is that in this case the material will not reduce the living space of the premises, in addition, moisture does not accumulate in the rooms (there is no “sweating” effect).
External insulation is one of the the most important moments related to the improvement of your home. Experts note that up to thirty percent of the heat can escape through insufficiently insulated building walls. What materials should you prefer? There are many options, the most popular of which are:
Foam plastic, without a doubt, is one of the most affordable, lightweight, and therefore very popular materials used to insulate the walls of a home outside. In order to install such insulation material, you do not need any complex additional devices: all the work can be done with your own hands. However, we must not forget about such a disadvantage of polystyrene foam as its instability to fire (it is a flammable building material).
Thermal insulation with foam plastic can be carried out in the following way. First of all, the surface is prepared: it needs to be carefully leveled. Polystyrene foam is produced in the form of slabs, and if you apply such insulation to uneven surfaces, voids will inevitably appear and, accordingly, the rooms will be colder than one might expect. Secondly, under mechanical stress in the places of contact of the foam plate with uneven wall the material may simply burst. It is also important to remember that an isolated space is a possible place for insects, moisture, etc. to accumulate. Therefore, it is very important, before you start insulating the outside walls of a private house using polystyrene foam, to perform a thorough primer. If there are, for example, significant traces of whitewash on the walls, thermal insulation with foam insulation becomes less effective (the glue may not “set”).
After the outside walls have been thoroughly washed and primed, it’s time to proceed to the next stage, namely, the installation of drip linings. They are leveled horizontally using a level: this will allow you to later insulate the walls with foam plastic yourself without additional cutting of the slabs. Before laying the foam plastic, you should put “ starting bar"- a base that will prevent the slabs from sliding off the walls. In addition, it will be much easier to maintain the line during further installation. How level the entire row is will depend on how the bottom plate is positioned. When thermally insulating a building from the outside with polystyrene foam, the slabs are installed by hand using special glue. If the walls in the house allow it, after a few days you can additionally secure the material with nails.
Video with a master class on foam insulation:
If your house is built from timber, you should additionally seal all the cracks: polyurethane foam, mineral wool or other materials suitable for this purpose. It is important to eliminate drafts: without this, insulation on the outside of a residential building will not be as effective.
Thermal insulation of the outside of a residential building can also be carried out using another popular material - mineral wool. If you have heard, for example, that walls are insulated with “glass wool” or “stone wool”, then this is the same material. It is based on fiberglass. As a rule, special mineral wool slabs are used for external thermal insulation, and the façade is sheathed with them.
To install this type of slab, special fittings are used. To insulate the attic and roof of a building, it is recommended to use Linerock wool. Its advantage is good flexibility, which means that in order to insulate the outside of your home, you do not have to carry out thorough preliminary preparation of surfaces.
The undoubted advantages of stone wool are:
External wall insulation for a household using stone wool is carried out in several stages. With help plaster mixture The slabs are glued to the wall surface. Next, the mineral wool is covered with another layer of the mixture, then a fiberglass alkali-resistant fiberglass mesh is installed, a primer is applied and, finally, finishing(painting, decorative plaster, etc.).
Video with a master class on mineral wool insulation:
Just as in the case of mineral wool or polystyrene foam, you can do the external thermal insulation of the walls of a building with your own hands using Penoplex. Today this material is very popular for self-insulation of residential buildings.
Important! Only the basement and basement walls can be insulated with Penoplex. The fact is that this material does not allow water vapor to pass through it, flowing from living quarters to the outside, which can lead to the formation of fungus and mold.
Important advantages of “Penoplex” for thermal insulation of a building:
The thickness of “Penoplex” for thermal insulation of a residential building, according to modern standards, should be at least 5 centimeters. Laying of this material is carried out in several stages:
In order for the insulation of a residential building to be of high quality, do not skimp on insulation material. If thermal insulation with polystyrene foam, Penoplex or stone wool was carried out in compliance with all the rules, you will be able to provide the most comfortable atmosphere in your living quarters and, at the same time, reduce heating costs.
It is quite difficult to achieve optimal efficiency in energy saving at home, even with an ultra-modern heating system, but without resorting to insulation of external walls. It has been established experimentally that about 30% heat escapes through uninsulated walls. The best way out similar situation one is the insulation of the walls of the house from the outside. Thus, with the help of special materials with a minimum thermal conductivity coefficient, the protection of walls from external influences. Insulation from the outside creates a kind of barrier between the damp and cold atmosphere of the street and the microclimate inside the home. However, the success of this process will directly depend on the correctly selected insulation.
Most often, houses are insulated on the outside with the following types of materials:
– has a low thermal conductivity. It consists of 90% air and 10% polymers. Easy to install and quite cheap.
Mineral wool– heat-insulating material, which is made from metallurgical slags and silicates. Unlike glass wool, working with it is safe.
– does not require construction frame structures. All work is carried out only by professionals, since working with insulation requires certain skills.
– a new formula for wall insulation that retains heat better and more efficiently. It has a finely porous structure due to extrusion. Has high thermal insulation characteristics.
They also use thermal insulation, expanded polystyrene, liquid expanded clay materials, cellulose, etc. However, these insulation materials are not used as often as the above. Therefore, we will focus on considering the main insulation materials for walls.
Mineral (basalt, stone) wool is a fibrous insulation material that is similar to natural material basalt. This insulation made from alloys of volcanic rocks at very high temperatures. This type of wool is completely fireproof and unaffected by fire.
Advantages of mineral wool:
Thermal insulation characteristics are very high due to the porous qualities of the fiber. The material retains heat well and prevents heat from entering the house in summer.
Soundproofing qualities basalt wool high, thanks to the chaotic weaving of basalt fibers, which delays sound waves.
Long service life. Once you have insulated the walls of your home with mineral wool, you no longer have to worry about thermal insulation.
High tightness throughout the entire service life.
Mineral wool is an absolutely environmentally friendly wall insulation material that poses no danger either to people or to environment. Installation of mineral wool on the facade and walls takes place in several stages:
Preparing the outside walls of the house.
Laying a layer of vapor-permeable membrane over the wall.
Fastening wooden slats or profiles for walls.
Laying heat-insulating mats.
Another layer of film is stretched over the insulation.
Installation of a ventilating facade of the house from the outside.
And at the final stage, new slopes, window sills and finishing elements are installed due to the increase in the thickness of the walls.
The cost of such house insulation varies from 100 to 400 rubles per m².
Polystyrene foam is very often used to insulate external walls. After all, its thermal conductivity is lower than that of mineral wool - 0.032-0.038 W/m*K and are slightly inferior to extruded polystyrene foam.
This insulation has many advantages:
Excellent sound insulation of walls;
Light weight, which does not increase the load on the building;
Simplicity and ease of installation.
Installation of foam plastic on the walls of the house is as follows:
Facade preparation.
Setting up a starting profile.
Applying adhesive composition to insulation.
Gluing foam plastic boards to the walls of the house.
Fastening sheets using dowel fasteners.
Installation of reinforcement elements.
Subsequent reinforcement.
Applying a decorative protective layer to the wall.
Giving the façade texture.
The cost of such insulation is affordable - about 50 rubles per m²
This material for insulating the outside walls of a house is a type of plastic. It has a cellular foamy structure and 90% comprises gaseous substance. The remaining volume is the cell walls.
Polyurethane foam in section
Thermal insulation and properties of polyurethane foam:
The thermal conductivity of the material ranges from 0.018 to 0.035 W/m*K, which is better than that of mineral wool.
Excellent noise absorption and sound blocking.
Resistant to aggressive chemicals.
Has low moisture permeability properties.
The service life of polyurethane foam reaches 30 years old. This material is absolutely environmentally friendly.
Insulating the walls of a house using this thermal insulation material takes place in this order:
Preparing the walls.
Application of insulation.
Reinforcement to improve thermal insulation.
Finishing work.
The cost of polyurethane foam is calculated based on the size of the wall that needs to be insulated. For example, it is necessary to insulate the facade up to 50 square meters. m. It will cost from 300 rubles per m².
Extruded penoplex is an innovative development that is designed to save energy resources.
Advantages of penoplex insulation:
The lowest thermal conductivity values than all the materials described above.
Can withstand heavy loads.
It has a long service life - more than 40 years.
Today, more and more home owners prefer Penolex because of its high performance characteristics. How does the insulation installation process go:
Preparatory work on the walls.
Installation of profiles.
Applying glue to insulation boards.
Penoplex gluing.
Fastening with dowels.
Finishing outside.
The cost of such material varies from 300 to 400 rubles per m².
It is worth noting that the process of installing any type of insulation may differ depending on what material the house itself is built from. Walls made of logs, for example, do not require the creation of an air layer between layers of thermal insulation and outer surface walls After insulating a wooden house, preference is almost always given to a ventilated facade, which ensures air circulation. Sometimes it is lined with boards, clapboard or installed facade tiles. Insulation of the walls of a house made of brick and panel blocks is carried out according to a similar, standard principle.
The issue of internal insulation causes a lot of controversy and has its ardent opponents. But there are those who believe that this option will help make the building more comfortable for living. Both sides are right. In every situation there are reasons for taking one position or another. But before choosing this method for interior decoration private home, you should carefully weigh the pros and cons, study the features, and choose safe insulation.
Insulating walls from the inside certainly improves the thermal performance of a house. But this is an unconventional technology, because they usually try to do . However, there are situations when there is no other choice.
This option is also relevant for apartment buildings. It helps not only to increase the comfort of your home, but also to prevent the occurrence of troubles such as mold or mildew.
This method has a number of disadvantages. It is for this reason that the method has many opponents. Insulating walls from the inside can cause the following problems:
With internal insulation, the dew point shifts to the boundary between the wall and the insulation Therefore, before deciding on internal insulation of the walls of the house, we recommend that you carefully think about the listed problems. In this case, ignorance does not exempt from responsibility, since the result of inattention will make itself felt in the first years of operation.
Technology allows you to use different types insulation materials. Each of them has its own characteristics, advantages and disadvantages. The most commonly used options for insulating walls from the inside are:
Polystyrene foam is inexpensive and has good performance. In most cases, 5 cm will be enough to ensure a comfortable microclimate. It allows you to complete work quickly, without complex processing and additional tools.
Foam plastic is an inexpensive and effective heat insulator But this material has significant disadvantages:
The closest relative of polystyrene foam is extruded polystyrene foam (Penoplex type). It is very similar in appearance, but is orange in color instead of white. It is also worth noting that it has greater strength and durability. But such disadvantages as flammability and poor vapor permeability have not gone away. Such insulation of the wall will not allow it to breathe and will require additional ventilation.
Penoplex is stronger than polystyrene foam and lasts longer Is it possible to carry out internal insulation using polystyrene foam? Yes, you can. But you need to prepare for negative consequences and eliminate them in time. This option is more suitable for brick or lightweight concrete. Wood for walls is usually chosen precisely for its ability to breathe. Polystyrene foam or polystyrene foam will easily block air flow and negate all the benefits of wood.
This type of insulation has become widespread. It costs a little more, but has high vapor permeability. It is recommended to choose basalt mineral wool, which is produced in rigid slabs. It is easy to install, does not burn, and has fairly high strength.
But you should be careful when placing the insulating layer inside the room. This material has low moisture resistance. Vata absorbs water perfectly, after which it practically ceases to perform its direct functions. For reliable protection from moisture it is necessary to provide a vapor barrier on the side warm air and waterproofing from the cold side.
The walls of the house can be insulated with inside. The option does not guarantee that the difficulties listed earlier will not appear in the future, but it has the following advantages:
Fibreboard is resistant to temperature changes and high humidity Insulation of the walls of a house from the inside must meet the following criteria:
Material for internal thermal insulation must have good vapor permeability It is also worth checking the vapor permeability. How to insulate a house for many years? Need to think about it good ventilation. Without this, the building will suffer from high humidity and microclimate disturbances. The problem can be solved, but you need to think about it at the initial stage.
For a private home, two methods of securing the material are used. Both of them are relevant:
The second option allows you not to carefully level the insulated surface. In addition, it allows you to attach without problems Decoration Materials. For example, for plasterboard cladding, you will in any case need to build a frame. You can insulate the wall under plywood or under plaster. Then there is no need to use a frame. The choice of installation method for insulation largely depends on the method of further finishing. It is definitely worth considering what kind of foundation is required.
The surface must be thoroughly cleaned of dirt, grease and dust, otherwise this can significantly reduce the quality of adhesion of the heat-insulating material to the base. Further work is performed in the following order:
Expanded polystyrene sheets and mineral wool slabs are fixed in a checkerboard pattern. After fixing the insulation, you can begin finishing.
This option can be called more labor-intensive, but also more reliable. It allows you to protect the insulation from mechanical influences. This is especially true when using fragile foam.
Before starting work, the wall is cleaned of dirt and treated with an antiseptic. After this you need to build good frame made of wooden blocks or metal aluminum profile. The racks are fastened to the wall using self-tapping screws. The pitch of the elements is selected depending on the width of the insulation. For mineral wool, you will need such a step that there is 58 cm in the light. For foam plastic and penoplex, the distance in the light should be exactly 60 cm.
After installing the frame, the insulation is laid between the racks. The joints between polystyrene foam and the frame are filled with polyurethane foam. After this, you can begin finishing.
When performing work using any of these technologies using mineral wool, it is important not to forget about insulation from moisture. The waterproofing is attached directly to the wall before installing the wool, and the vapor barrier covers the material and protects it from internal steam. Fastening the layers is usually done with a construction stapler. The length of the material overlap must be at least 10 cm.
Statistics show that energy losses through the walls and windows of an uninsulated house average about 30–40%. In the context of regular increases in tariffs for housing and communal services, it is not difficult to calculate the amount that is wasted every month.
The company "Dom and Kº" offers rational approach: insulation of the house outside and inside reliable and inexpensive materials. Once you invest in quality thermal insulation, for many years you can enjoy comfort and save on home maintenance.
Don't think that the costs are prohibitive - we offer practical and profitable insulation of a country house, price will not be an unpleasant surprise. Work is carried out both during the construction stage and after its completion. The commissioning of a residential property is not an obstacle to insulation country house outside and inside.
Employees of the company "Dom and Kº" carry out a range of construction and... Experience and professionalism make it easy to cope with tasks of varying levels of complexity. Masters are ready to produce insulation of a country house outside or create a reliable thermal insulation inside the house.
Both options solve the problem of heat loss and create comfortable conditions in residential areas. As for the advantages and disadvantages, both one and the second method have them house insulation, price in this case should not become a determining parameter.
Internal insulation of the house polyurethane foam, expanded polystyrene or mineral wool reduces heat loss. This option is chosen if idle energy consumption is small or it is not possible to carry out external work. The lower the vapor permeability parameters of the insulation, the lower the risk of moisture accumulation and condensation. Insulation of a house made of foam blocks outside gives a greater effect of heat conservation, but the costs are slightly higher.
Making a decision make the house warm And reduce heat energy costs due to insulation of residential buildings, trust the responsible task to professionals. When choosing a service " insulation of a country house from the outside», price should not become the determining factor. The same principle applies in the case of internal works. There are many unscrupulous players on the market who offer budget options, but quality is considered much more important.
Trust house insulation professionals "Dom and Kº". We do not offer symbolic price for the service, since high-quality materials are not cheap, and the work of professionals deserves decent payment. But we guarantee excellent results.
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