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Под обычной двускатной крышей также можно разместить жилую мансарду

Под обычной двускатной крышей также можно разместить жилую мансарду

How to Build Wooden Roof Trusses

You may refer to a truss as the rafter, but it& basically the skeleton of the roof, carrying the weight of the frame and supporting the walls of the building. Trusses are very important to preventing the walls from bending or flexing, more so.