List of featured suppliers of ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Sealed Roof Systems on Building Products Index
Roofing underlays are materials placed on the roof deck before the installation of the roof covering. Pitched roof membranes refer to the layer of waterproof membrane placed on a pitched roof to prevent water penetration. Sealed roof systems are installed using various types of membranes or coatings, creating a waterproof barrier to protect the roof from moisture.