Pvc Roof Membrane Problems

Gm has evidence of premature deterioration of tpo s mexico and the roofing contractor s institute has ranked tpo s very high on the singly ply membranes most problems list.

Pvc roof membrane problems.

Install warning signs to remind workers to keep their work areas clean. Pvc can last well over 30 years. The epdm tpo pvc roof system would have a heat welded seam. Pvc on the upper end of the price spectrum there is pvc roofing.

There are welding inconsistencies pvc installers switching to tpo s have encountered issues visual assessment of the quality of the welds not apparent etc. Every ten thousand feet of roof would have approximately 15 000 lineal feet of potential seam failure. It is a white reinforced membrane with welded seams and flashings. So if any liquids are used within the building they will cause condensation between the roof steel and thermo plastic membrane and its insulation.

Pvc roofing membranes have a solid fire resistance rating. Pvc roofing membranes have passed fm and ul fire testing and have an unlimited slope approval. Also manufacturers strongly advise against installing epdm in the winter because glue freezes and the roof may leak. Older pvc roofs in cold weather are prone to shattering.

All roof products deteriorate over time and pvc has a tendency to shrink pulling the seams lifting corners and potentially causing leaks. Prime the area with a bonding adhesive. Ib pvc flat roof installation.