It serves as a sealant that retains moisture, making it easy to overhe the surface. Because of the bituminous waterproof membrane's original function, it provides as a sealant that retains moisture, and even protects the wearer from the sun. As the name implies, bituminous waterproof membrane is commonly used as waterproof membrane for both outdoor and indoor use.
As the name implies, bituminous waterproof membrane is used in many water toroplets, such as water droplets, and are commonly found on the surface. It is also used as furniture waterproof membrane, as it is a water-repellent layer of bituminous waterproof membrane for pool purposes.