Advantages of Choosing a Flat Roof Materials Used for Flat Roof Installation 1. EPDM (Ethylene Propylene Diene Monomer): A durable and flexible rubber membrane. How Flat Roofs Are Installed Finally, flashing and drainage systems are installed to protect against leaks and water pooling. Flat roofs are prone to water https://flat-roof-installation-and-repair.trustedstandard.com