DERMABIT 4200 (3200, 5200) is a high performance roofing and waterproofing membrane, reinforced with a core of non woven polyester of 200g/m2 nominal weight, suitable for a variety of applications among them; roofs, terraces, foundations, basements, pile capping, footing, tanking, car parks, bridge decks and abutments, tank lining, swimming pools, airport aprons, ramp areas and others.