... of the architectural level of the composite cross-membrane or Adhesive Film, it can be used as ... , underground, anti-burst of flexible waterproof material (basement), roof cushion (underlayment), vapor barrier, the door window, waterproof ... cladding material (Vortec), anti-slip roof waterproofing layer (skid-resistant underlayment), and the roof membrane separated gas (vapor barrierfilm). These ...