One-component, elastic polyurethane waterproofing membrane. DESCRIPTION: Purtop One IN is a one-component polyurethane waterproof membrane. Highly elastic and durable membrane, ready to use and easy to apply. Once cured, the membrane forms a continuous, exible, and strong waterproof layer. WHERE TO USE: Purtop One IN can be applied on Concrete Cementitious screed, Ceramics Fibre-cement boards Metal surfaces Read More Related Product Duresil EBProtection Eco Prim Grip PlusPrimer Primer GPrimer MapeslopeScreed