Thermoplastic Polyolefin is a single-ply roofing membrane that is one of the fastest growing commercial roofing systems on the market. Many custom home builders have started to install these roofs to accomplish that modern look so many homeowners desire. TPO is also known for its ability to reflect UV rays which will drastically lower your energy costs, is resistant to bacteria and algae and is extremely durable when it comes to foot traffic and withstanding our Texas storm season.