TPO: The Practical Choice for Flat Roofs November 13, 2018 by Ami Feller Home / Archives for membraneTPO is one of the many single-ply roofing membranes used in flat roofs. It’s a curious material as it falls in the same price range as its contemporaries, EPDM and PVC, but actually surpasses both of them in terms of durability and longevity. [Read more…]