Tpo Roof Failures

The roof itself should be examined twice a year and drains cleared and roof debris removed.

Tpo roof failures.

It fails in less than one year and up to 10 years plus. A vice president of one of the largest roofing contractors in north carolina. All small problems like punctures and sealant failures should be addressed at this time to be sure that they are not causing problems that will lead to failure. When that happens it can cause significant damage to roofing systems including debonding and curling of insulation and cover boards loss of thermal performance and compressive strength and deterioration of and mold growth on moisture sensitive and organic materials.

Reported problems included seams coming apart leaks and membrane failures especially when exposed to excessive heat over a prolonged period of time. Tpo roofing membranes have been noted to have an issue of accelerated weathering when subjected to high thermal or solar loading. Tpo membranes have shown no consistency relative to failure mode. And if you believe in patterns we have found that tpo failures usually occur in those brands that rv consumer group rates as two stars and lower.

Membrane failures were particularly frequent in the states that experience the most heat and uv radiation all year round. Now tpo is more like epdm rubber with heat welded field seams. Over the years because of the faulty chemical formulas in the past many tpo roofs have failed and needed to be recalled. A roof s life is finite but it doesn t have to be short lived.

Tpo also lost its competitive advantage by using peel stick flashing. The consequences of backwater laps are leaks and blisters which can lead to roof failure care explains. While many tpo roofs are performing as promised there have been complaints about seam failures and cracked membranes over the last few years. We are seeing a lot of failed 45 mil membrane roofs and expect the 60 mil roofs to follow soon.

One of the major issues with tpo roofs has been premature aging and seam failures due to prolonged exposure to intense heat. It s no longer a truly heat welded system but is a hybrid of welded plus glued roof. With cold applied modified bitumens improper storage of materials can result in moisture infiltration built into the roofing system and under application of adhesive can result in poor lamination and roof leaks.