Built up roof bur membranes modified bitumen single ply membrane.
Low slope roof systems.
Membranes are field applied using just one layer of membrane material either homogeneous or composite rather than multiple layers.
Low slope roof system a solution for every building type low slope roofs or flat roofs as they re commonly referred to are more complex than steep slope roofs.
Most low slope roofing systems on the market utilize three main material options.
Single ply roofing systems for low slope roofs single ply roofing a roofing system in which the principal roof covering is a single layer flexible membrane often thermoset or thermoplastic membrane.
Typically low slope metal roof systems vary in weight from 40 to 135 pounds per 100 square feet making them among the lightest roofing products and the easiest to install.
Understanding how a building is insulated ventilated and how the drainage and flashing systems integrate is key to proper performance of a low slope system.
A lightweight roofing system also places fewer demands on a building s structural support system an important consideration in earthquake prone areas.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system.
Membrane is then surfaced with a coating or gravel imbedded in a pour coat of more hot bitumen.