Quote:
Originally Posted by Pete'sMH
Yes, it is. It is “Thermoplastic polyolefin, or TPO for short, is a type of single-ply roofing material that is heat-reflective and energy-efficient. In laymen’s terms, TPO roofing belongs to the broader category of “rubber roofing” materials. It contains a blend of rubbers and other elements (fillers) that add to its durability and flexibility.”
https://improveitmd.com/what-is-tpo-roofing/
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While the "source" material is a blend which includes a rubber material, TPO roofing should not be confused with traditional RV rubber roofs made with EPDM.
Normally RV roofs are classified as either TPO, rubber, or fiberglass. Calling TPO rubber just confuses the issue.