YUHONGBrand Elastomer (SBS) Modified Bituminous Waterproof Sheet Material is a kind of flexible sheet waterproof material using Stylene-Butadiene-Stylene (SBS) thermoplastic elastic modified bitumen as dipping and coating material, and the filler base is based on polyester felt, glass fiber felt and glass fiber reinforced polyester felt, with the upper surface covered by isolating materials, such as polyethylene film, fine sand, mineral slice (or particle) etc.