Distinguish inclined and hanging rafters. In the first option, often without Mauerlat (a log or a beam that fits on top of the perimeter of the outer wall, which serves as a support for rafters), performing a layer of waterproofing. After align the upper plane, as well as the horizon of the wall. To do this, usually put a strict board. Usually now, before starting to repair the roof, high -rise work is ordered from a good company, because it is very dangerous to repair the roof at an altitude, so calling specialists in high -rise work will be the best way out.
