TPO
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There are two basic types of single-layer membranes used for roofing. These are TPO (thermoplastic polyolefin) and PVC (polyvinyl chloride). PVC is a slightly ...
Christopher Webb
There are two basic types of single-layer membranes used for roofing. These are TPO (thermoplastic polyolefin) and PVC (polyvinyl chloride). PVC is a slightly ...