The Basics of Flat Roofs Advantages of Choosing a Flat Roof Materials Used for Flat Roof Installation 3. PVC (Polyvinyl Chloride): Offers excellent waterproofing and strength. Steps to Install a Flat Roof 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