TPO roofing thickness varies based on durability and project requirements, typically available in 45mil, 60mil, and 80mil options. Thicker membranes offer better resistance to punctures, weathering, and UV exposure, extending roof lifespan. While 45mil is cost-effective for light-duty applications, 60mil is the industry standard for commercial buildings. The 80mil option provides maxi... https://naples-roofing.com/how-thick-should-a-tpo-roof-be/