Roof Deck: Cost, Installation, Best and Worst Flat Roof Materials
23 Oct 2017 roof Deck: Cost, Installation, Best and Worst flat roof Materials. flat roof Deck Many homeowners who use their flat roofs as decks deal with a lot of leaks. This is usually because low quality, leak prone materials, such as EPDM rubber are used for installation. The problem with rubber is that glued seams will eventually come apart, and if you have your composite/pressure treated deck over rubber, you will have to disassemble your entire deck to fix the leaks.