Deboplast 4 mm Green/F is a flexible waterproofing membrane consisting of a mixture of penetration bitumen, improved with Atactic Polypropylene (APP), and reinforced with a layer of nonwoven polyester of minimum 180g/m². An under finishing of an ultra light PP-film, combined with a low heat resin coating makes sure that the membrane requires a minimal heat application. Deboplast 4 mm is ideal for the waterproofing of roofs, floors, cellars etc. It is easy to apply with simply a knife, torch and trowel.