Tpo Vs Pvc For Flat Roofs

Epdm rubber and tpo pvc roofs offer a far better quality longevity durability and protection.

Tpo vs pvc for flat roofs.

Flat roof materials installation costs 2020. Tpo in a nutshell a tpo membrane is made from ethylene propylene rubber. While somewhat more expensive than their direct competitors. Initially tpo roofing was designed to be an improved version of both pvc and epdm rubber membranes combing the benefits of both but without the disadvantages.

The material is the third most widely produced synthetic plastic polymer. When used for roofing pvc is possible for prefabrication during the manufacturing phase. Tpo membrane can provide combined benefits of both epdm rubber and pvc roofs but at a more economical cost than pvc. A pvc versus tpo comparison chart is below.

Tpo epdm rubber bur modified bitumen spray on coating 24 replies when it comes to covering up a flat roof your options are both limited and expansive. Pvc s are documented to last longer than tpo membranes who are still experiencing premature failures. In terms of weathering i e based on the heat aging and the accelerated weathering tests tpo has the clear edge over pvc. This may surprise some diehard pvc users who may be unaware of the advances made in tpo formulation over the last several years.

Tpo requires an experienced worker to ensure seamless and effective welding. Two of the hardest flat roof systems to tell apart is the pvc roof and the tpo roof. Pvc stands for polyvinyl chloride. Usually these get used on flat or low sloped roofs.

It is one of the strongest flat roof materials amongst tpo epdm and mod bit. This means that it requires glues to adhere it to what s underneath. Unlike tpo and pvc roofs that are often mechanically attached an epdm roof is most often fully adhered. Both are white heat welded systems that look virtually identical.

According to the american society of testing and materials astm a roofing membrane must have a breaking strength of around 200 ppi. Tpo single ply membrane for flat roofs of residential homes pvc roofs have been installed in the us since 1970 s and have a long proven track record of success. However while the face of both membranes and their installation are virtually identical they are very different systems on the inside. Pvc is a plastic roof material that is formed by a gaseous reaction between oxygen hydrochloric acid and ethylene.

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. It s also a single ply roofing solution used on commercial roofs.