Tpo Rooking Versus Pvc Roofing

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Tpo rooking versus pvc roofing.

It does not absorb or get weakened by oils and greases. Tpo thermoplastic polyolefin to produce the tpo membrane manufacturers will polymerize polypropylene and ethylene propylene rubber. The most obvious similarity is that tpo thermoplastic olefin and pvc poly vinyl chloride are both thermoplastic materials. Pvc versus tpo two of the hardest flat roof systems to tell apart is the pvc roof and the tpo roof.

Both membranes are heat weldable which makes them more resistant to leaks than epdm because of a reduced number of instances of seam failures. These descriptions don t do justice to the potential of both modified bitumen and tpo roofing systems. Tpo vs pvc roofing. It s therefore not surprising that tpo roofing systems are quickly growing in popularity and demand in both residential and commercial flat roof markets.

It does not absorb or get weakened by oils and greases. Tpo membrane can provide combined benefits of both epdm rubber and pvc roofs but at a more economical cost than pvc. Tpo in a nutshell a tpo membrane is made from ethylene propylene rubber. The seams are either glued with the rest of the roof different process same result or they are taped.

When deciding on which would be the best for your building consider the location and the budget that you have. However while the face of both membranes and their installation are virtually identical they are very different systems on the inside. If you are up for a more chemical resistant roofing and are looking for a cost friendly option pvc roofing is the way to go. While tpo has superior weathering and slightly better tear and break resistance than pvc pvc does have some characteristics that certain customers need or prefer.

Hot air welded seams help pvc roofing remain watertight under a variety of severe weather conditions. While they share many qualities with pvc systems they typically come at a lower cost. For example pvc has better chemical resistance. Both are white heat welded systems that look virtually identical.

While tpo has superior weathering and slightly better tear and break resistance than pvc pvc does have some characteristics that certain customers need or prefer. Pvc s are documented to last longer than tpo membranes who are still experiencing premature failures. Like pvc two tpo plies sandwich a polyester reinforcement sheet. This means that it requires glues to adhere it to what s underneath.

For example pvc has better chemical resistance. As noted in the chart below created from rs means data if you compare the life cycle costs of a sarnafil roof estimated to last 35 years versus a tpo roof lasting 20 years pvc is the less expensive choice.