Pvc Roof Membrane Problems

All roof products deteriorate over time and pvc has a tendency to shrink pulling the seams lifting corners and potentially causing leaks.

Pvc roof membrane problems.

It is a white reinforced membrane with welded seams and flashings. Ib pvc flat roof installation. The epdm tpo pvc roof system would have a heat welded seam. Every ten thousand feet of roof would have approximately 15 000 lineal feet of potential seam failure.

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 on the upper end of the price spectrum there is pvc roofing. In the case of a puncture occurring to your roof system a contractor will be able to repair a single ply membrane roofing system relatively quickly with these steps. There are welding inconsistencies pvc installers switching to tpo s have encountered issues visual assessment of the quality of the welds not apparent etc.

These roofs are difficult to ignite burn slowly do not support combustion and self extinguish when the source of flame is removed. Install warning signs to remind workers to keep their work areas clean. Clean the surrounding area. Pvc roofing membranes have a solid fire resistance rating.

So if any liquids are used within the building they will cause condensation between the roof steel and thermo plastic membrane and its insulation. Prime the area with a bonding adhesive. Older pvc roofs in cold weather are prone to shattering.