We tell how thermal insulation is arranged and how to put the insulation from the inside and outside in different ways.
Cold attic insulate in order to increase living area with minimal cost. But this is not the only plus the arrangement of the warm room. As a result of the transformations, the heat loss of a low-rise building is reduced. This means that energy costs for heating at home and its operation are reduced. In addition, the insulation material reduces the noise level in the dwelling. We will analyze in detail how to insulate the attic.
All about the thermal insulation of the undergraduate room
How the roofing pie is arrangedThree ways to improve heat insulation
- From the inside
- Outside, insulation between rafyles
- Outside, isolation over rafting elements
The structure of roofing pie
The roof will be faithful to the inhabitants of the house when it is a well-thought-out system. From direct effects of precipitation, it protects the external coating, which can be made of metal, flexible tile, natural tile, etc. The coated is the so-called pie - a multilayer structure consisting of a ventilation circuit, a layer of hydro and windproofs from the outside, a layer of thermal insulation, a layer of vaporizolation from the inside. The main filling of such a cake is insulation.
As thermal insulation, non-combustible materials made of glass or stone wool, eco-art, polyurethane foam are usually used. To insulate the roof of the attic, collect a multi-layer pie.
What insulation consists of:
- thermal insulation between wooden rafters;
- finish coating;
- doom;
- waterproofing membrane;
- Parosolation film;
- Interior finishing coating.
In order to heat the floor of the overlap over the residential floor, the insulation is placed in the space between the lags tightly and without gaps. For this, rigid plates and soft rolled insulation are suitable. Between the floor and the insulator necessarily leave the air clearance. If necessary along the lag, you can fill the rails.
Large producers suggest inexperienced masters, the better to insulate the attic. Product names directly indicate the scope. For example, fiberglass plates and mats areOVer "scope roofing", the URSA Glasswool "Scope Roof", "Scope Roofing" Knauf Insulation. This information may be contained in technical documentation, like materials from the stone wool Light Batts from Rockwool, UNS 37 from Paroc, Teknolat from Technonikol.
In summer, the roofing coating is riveted to +70 OS. In winter it is cooled to -40 OS. Isolation becomes a buffer that levels the temperature differences. It also preserves a comfortable thermal regime in the underlined room. However, if it has an insufficient thickness, it can lead to a deterioration in the microclimate, the inconsistency of temperature and humidity in the room, the surface temperature of the walls of the current regulatory documents.
How to warm the attic to winter accommodation? You can use special calculators to calculate the amount of thermal insulation. Entering data on the location of the house, type and materials of the enclosing structure, you will receive information about the necessary thickness of thermal insulation.
It is very important to correctly choose the roofing membrane - the level of humidity depends on it (and therefore insulating properties) of the mineral wool insulation
When insulation, it is sometimes built a temporary canopy to protect the plates of mineral wool from the rain
3 ways to insulate attic at home
We will analyze the effective methods of insulation.1. The thermal insulator between the rafters is placed on the side of the room
Proper technology, how to insulate the attic ceiling by the Minskata, this is: first over the rafter spread the roofing vapor-permeable membrane, fasten it with a controlled, nourish the cheek. Then the roofing coating is placed, only after that, it is installed between the elements of the mineral wool plate. Next, the insulator on the part of the rooms is tightened with a vapor insulation film and go to the finish.
The main advantage of the technology is that the insulation material in the process of work does not wet dew and rain. No need to hurry, fix temporary waterproofing. The minus is that particles of insulation (basalt and glass fibers) penetrate into the house. In addition, if the workers are negligent, the plates will block the ventilation specified by the counterclaim - and subsequently the roofing pie will "work" incorrectly.
How to insulate the roof of attic in the operating building without removing roofing, if possible? Good to do it, most likely it will not work. Since it is almost impossible to protect the heat insulator from condensate and moisture penetrating through the roof, create the desired ventilation gap.
2. Insulation between rafters, mounting from the street
In this case, a steam barrier film is nourished from the bottom to the rapid feet, then the heat insulation is placed, it is closed with a hydraulic projection vapor-permeable membrane. Fasten the control, doom, roofing. The roof is ready, it remains to decide how to insulate the walls of the attic and separate the underfloor room.
The technology allows you to visually monitor the magnitude of the ventilation gap, but the tightening rains may prevent the construction and to harm the roofing pie designs. It is thoroughly wet insulation will dry for a very long time. As a result of high humidity, they can even start rotting wooden elements.
3. Heat insulation above the rafters, installation from the street
This scheme developed manufacturers of plates of dense foams - extruded polystyrene foam (EPPS) and polyisocyanrata (PIR). The essence of the design is that the insulation is located on the rapid to the rafters of solid flooring. It is usually manufactured from oriented chipboard. The makeup is superimposed on top of the insulation, fasten with rapid elements with long studs through the plates of EPPS or PIR. Data for calculating fasteners will be provided to you by the specialists of the manufacturer of plates.
In the recommendations, how to warm the roof of the attic, this technology is allocated. The use of moisture-resistant and heat-resistant foams in the construction of the winnings in the roof reliability. This insulation does not wet, does not destroy. There will be no difficulty and with mounting in rainy weather. The problem is that this technique appeared relatively recently. Fully mastered its few roofers, and trust the construction of workers without experience in this case is categorically impossible.
We figured out how to warm the attic. Make it can be from the inside or outside. A suitable technique is determined based on the actual conditions. For buildings under construction, optimal outdoor work. Internal heat insulation is possible for homes in which already live. If you have questions, we suggest watching a video about the insulation of the attic.