Benefits of Flat Roofs Materials Used for Flat Roof Installation 1. EPDM (Ethylene Propylene Diene Monomer): A durable and flexible rubber membrane. How Flat Roofs Are Installed Challenges with Flat Roof Systems Flat roofs are prone to water pooling due to their low slope. Flat Roof Repair Solutions 4. https://flat-roof-installation-and-repair.trustedstandard.com