Modified Bitumen roof systems consist of one, two, or three ply systems. It is installed either by torch or hot asphalt. It is installed with a base sheet followed by interply sheet(s), and then a cap sheet. Modified membranes can also be installed in conjunction with built-up roof materials (such as multiple plies of fiberglass felt) to form a hybrid roof system. Modified roof systems have proven performance on residential, commercial, and industrial applications. For Manufacture specifications and detailed products description please click on respective logo.