TPO is a thermoplastic polyolefin single-ply membrane that has quickly become the most preferred commercial used roofing product in the U.S. TPO provides unmatched durability with modern energy efficient technologies at a cost efficient price. It provides some of the highest roof surface reflectivity to help cool the building, all while being fully recyclable. TPO is also the top choice for owners wishing to gain LEED credits for their projects.