How To Tell Whether A Roof Is Pvc Or Tpo

In addition to weathering qualities tpo also offers slightly better tear and break resistance as compared to pvc roofing. Two of the hardest flat roof systems to tell apart is the pvc roof and the tpo roof. However while the face of both membranes and their installation are virtually identical they are very different systems on the inside.

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That is why it can cover the top of the parapet more easily than a tpo membrane.

How to tell whether a roof is pvc or tpo.

Tpo is thin compared to other membranes usually around 1 1 2 millimeters in thickness. When it comes to a durable roof that is also environment friendly tpo roofing is a great option. The biggest differences are your pvc roof is more fire resistant than a tpo membrane and is more resistant to uv from the sun making it less brittle over time. Polyvinyl chloride pvc used since the 1960s pvc membranes are popular for their easy installation and cheap cost.

The top ply contains additives that make the membrane uv resistant. A tpo roof if installed properly can cover the top of a parapet similar to a pvc roofing membrane. However pvc also weathers exceptionally well which is why it has been a go to in the commercial roofing industry for more than 60 years. The top layer is typically white to reflect as much heat as possible but several colors are available and contains plasticizers making the sheet flexible.

The primary difference is that tpo has been on the market for only about 20 years and has a history of material failures recalls and formula updates while pvc has enjoyed a solid reputation in the roofing industry for over 30 years. Tpo vs pvc roofing. When deciding on which would be the best for your building consider the location and the budget that you have. If you are up for a more chemical resistant roofing and are looking for a cost friendly option pvc.

It is typically white in color and has a rubbery feel. A pvc versus tpo comparison chart is below. Both are white heat welded systems that look virtually identical. Similarities of tpo and pvc roofing membranes.

When being attached to the roof material it is either nailed or glued on. Pvc roof material is composed of two layers of pvc with a polyester reinforcement scrim in between.