DERMABIT 4250 (3250, 5250) is an ultra high performing roofing and waterproofing
membrane, reinforced with a core of non woven polyester of 250g/m2 nominal weight,
suitable for a variety of applications mainly those featuring high dynamic movements in
anti-earthquake structural foundations, two layer conventional or exposed roofs, reservoirs,
water retaining structures and precast, metal or wooden decks.