Tpo Roofing Wrinkles

Epdm none reinforced yes.

Tpo roofing wrinkles.

Wrinkles within the membrane will eventually fatigue and crack. Tpo wrinkles in a fully adhered will not work them selfs out. Specifically 2 ply styrene butadiene styrene sbs modified bituminous roof membranes seem to be susceptible. Now there may be wrinkles from the application which are normal if they are minor.

At 1 66 per square foot generic tpo is 13 more expensive than high quality brand name pvc so the price war is lost. But wrinkles that size are likely due to a sub standard install. If you have a flat or a low sloping roof like the one in this video and you have wrinkles in the roofing then you should inspect it a little more often to make sure these wrinkles don t crack at. Regular epdm that would have been a challage.

I flashed 8 high walls with 60mil reinforced epdm and didnt get a wrinkle one. Tpo has the reinforcment so no. Because they are raised above the surface of the roof they are more prone to traffic damage scuffing and surfacing loss than the rest of the roof. Also very hard to put wrinkles in anything reinforeced.

Now tpo is more like epdm rubber with heat welded field seams. The name is a bit misleading because rather than being a plastic tpo is actually one of a few different types of rubber usually a blend of polypropylene and ethylene propylene rubber. Tpo also lost its competitive advantage by using peel stick flashing. Wrinkles in tpo roof tpo has a large expansion contraction rate with changing temps like vinyl siding.

They will go away when the weather warms up not in a year or two. Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. Depending on the ply in which the wrinkle occurred the fishmouth can be a tunnel for water to get down into the building. Wrinkling is not something anyone wants to see on their roof membranes given it can be a sign of undue stress and may lead to premature failures such as opening of laps abrasion of the raised surface and ponding of water.