The roof insulation creates a microclimate in the attic, which is the main barrier for cold air coming from the roof. The process of insulation consists of several main stages. The first stage of roof insulation is the creation of a frame for installing insulation bags from the attic side. The frame for insulation packages is created between the rafters. Depending on the size, insulation packages are installed in the openings between the rafters, two or three packages in the stout with a small seal.
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If the packages do not hold the rafter frame, they can be strengthened with additional wooden strips. As a heater, you can use polymer synthetic insulations that have vapor release properties and do not delay moisture. Such heater includes glass wool packages or mineral wool. Also, for insulation of the roof, you can use polystyrene stoves, which have high moisture rejection rates.
The thickness of the insulation depends on the goals of the roof insulation. If the house has attic rooms, then the roof insulation should give the necessary protection for the attic room in winter from the cold, and in the summer – from the heat of heating the roof in sunlight. For medium-width, the thickness of the insulation packets ranges from 150-200 mm.