ESTERDAN PLUS FM BICAPA is a multi-layer flexible bitumen modified with SBS (styrene-butadiene-styrene) and APP (Polypropylene Atactic) waterproofing roof kit fastened mechanically, with a slope exceeding 1%.

The base membrane is fastened with metallic point fasteners in area of overlapping at edge of membrane to metal deck structures, before it is welded with the following membrane. The finishing membrane is fully welded over the base membrane by heating, without using mechanically fasteners.

The kit is a composed of flexible bituminous membranes manufactured by the holder of the approval and mechanical fasteners manufactured by other manufacturers.