TamSeal 23E is a single-component polyurethane membrane used for long-lasting waterproofing. TamSeal 23E is a liquid-applied, highly elastic, cold applied and cold curing. It cures by reaction with ground and air moisture. Its enhanced UV resistant properties enable this product to be used as a weatherproof membrane while remaining flexible and durable, offering long-term protection to substrates against climate conditions. It is suitable for use over horizontal and vertical surfaces.