Thermoplastic polyolefin — or TPO — roofing is a single-ply roofing material most common on flat roofs. It’s affordable and ...

When rubber is used as a roofing material, it’s usually installed as a membrane stretched over a flat roof. Rubber can also be formed into shingles shaped like natural materials, such as wood ...

A flat roof is the easiest type to build and offers ... Other materials, like EPDM rubber, TPO (a type of plastic) and PVC ...