Several bad pvcs most of the hypalon products and tpo which at that time was a very new product to the market so new that most manufacturers actually called it tpa thermo plastic alloy since they would routinely change the core supplier ingredients and percentages of each component.
How to tell the difference between tpo and pvc roofing.
Tpo is thin compared to other membranes usually around 1 1 2 millimeters in thickness.
Similarities of tpo and pvc roofing membranes.
It instantly became very popular as it was economical and cost efficient.
It is typically white in color and has a rubbery feel.
Two of the hardest flat roof systems to tell apart is the pvc roof and the tpo roof both are white heat welded systems that look virtually identical.
Polyvinyl chloride pvc used since the 1960s pvc membranes are popular for their easy installation and cheap cost.
Tpo is the most popular rv roofing material today because of two reasons it is cheap and it is already colored white.
Peak roofing construction explains in this blog post the difference between tpo and pvc materials when it comes to commercial roofs.
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.
When being attached to the roof material it is either nailed or glued on.