The leveled surface must be flat and tidy, with a uniform slope, no water or sand. The leveling layer and the parapet, chimney, and pipes must be painted in a circular arc shape in order to pave the roof waterproofing membrane.
The flat surface must be flat, with consistent slope, no water build-up and no sand. Looking for stratospheric and daughter walls, chimneys, pipes, must be erased into a circular shape, in order to spread roof waterproof coils.
The leveling surface must be flat and tidy, with the same slope, without ponding and sanding. The leveling layer, parapet, chimney and pipe must be plastered into arc shape, so as to pave roof waterproof membrane.<br>