* Insulation must withstand high humidity. Ideal foamed polystyrene. It is better not to use mineral wool, as it easily absorbs moisture and quickly collapses.
* Between the insulating layer and the roof ventilation must be done. having various extracts and airs.
* A vapor barrier must be present.
* The outer side of the rafters is additionally covered with waterproofing and sound insulation layers.
Independent construction of the attic begins with the installation of dalok around the perimeter of the house. After that, proceed to the construction of the frame of the future premises. Frame racks can be both from a bar, and from foam concrete or even metal. Vertical racks are located in the corners, beams are installed between them. Details are fixed with metal corners, nail plates or screws. (more…)