License Number
TPO (thermoplastic polyolefin) is a single-ply white membrane used in both commercial and residential roofing, usually a white membrane, which reflects heat instead of absorbing it.
TPO Roofing
For flat roofs or a low-slope roofs, TPO is a great option because it’ll keep the room below cooler and can be used over a non-living space like a garage or a covered patio. If you have a roof or a roof facet that’s pitch or steepness is below a 2:12, it’s considered low slope. Water does not run off as fast on a low slope or flat roof as it would on a higher pitch, so it needs to be waterproofed. For this reason, asphalt shingles can’t be used because they aren’t meant to hold sitting water. According to both the shingle manufacturer’s installation instructions and building codes, you can’t install asphalt shingles on a roof with a pitch below 2:12.
On the average you can get around 25 years out of TPO roofing membrane as long as it’s installed properly. However, just because it says 25 years doesn’t mean it’ll reach its maximum life expectancy; factors that can affect are: local weather patterns, sunlight, and the quality of installation.
