J P Stevens Roofing Failures

Patel and matthew j.

J p stevens roofing failures.

Improper use of adhesives can lead to single ply roof failures pt. Pitch pockets water vapor can cause single ply roof trouble pt. Stevens is the hypalon that failed because they constantly dumbed it down and changed the formulation. Thermoplastic polyolefin tpo membranes entered the u s.

I feel durolast is a great entry level comercial roofing system for the residential roofing contractor who wants to offer smaller commercial jobs. Normandeau roofing other parts of this article pt. I attribute these failures to purposeful cheapening of the product. West point pepperell inc the big georgia based textile producer announced that it had signed an agreement to buy j.

In a recent webinar on cool roofing a presenter discussed some concerns with the roofing industry s focus on single ply roof membranes based on thermoplastic polyolefin tpo. Jps eventually became stevens roofing systems. A couple of triac s 2 grip pulls and a handfull of 3 bits is about all you need. We have seen numerous failures of these systems especially in hail belt areas.

Stevens one of its biggest competitors for 1 2 billion in cash. With the demise of hypalon roofing is thermoplastic polyolefin single ply the next logical step. This remains the case today. In the early 1990s concerns began to surface about the use of halogenated fire retardants in tpo and their effect on uv resistance.

Deflection crushing of roof insulation. Pvc blend membranes manufactured by duralast. Understanding single ply roofing failures helps prevent them by amrish k. This caused manufacturers to alter their formulations using magnesium hydroxide as the fire retardant.

It doesn t take 25 000 00 to go to work. I recently have been on several 30 year old jp stevens roofs still performing well but i also witnessed many failures of the same product sometimes failing before the roof installation was finished. Stevens has experienced problems with their ep and hypalon membrane roof systems. To sum it up.