Tpo only became widely available in the early 1990 s.
Why does tpo flat roofs fail.
Flat roofing is not actually flat.
While standard sloped roofs typically have shingles that are overlapped like.
The other biggest positive to using tpo is its color.
It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water.
Failed promise of tpo.
Tpo is one of the cheapest materials on the market today costing less than epdm or other types of rolled rubber roofing.
Tpo roofing problems in a nutshell.
Tpo is touted to have the benefits of two of its direct competitors epdm and pvc roofs but without the drawbacks and extra costs.
But such a low slope holds snow and water much longer than a steeply pitched roof and therefore needs a very different material to stay watertight.
If you are looking to install a single ply roofing membrane that will be energy efficient and are evaluating your options consider tpo thermoplastic olefin roofing.
The biggest positive to installing tpo roofing on your flat roof is the cost.
This means that a tpo roof is as uv resistant and as heat resistant as epdm and as heat weldable.