Tpo Roof Failures

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

Tpo roof failures.

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. It s no longer a truly heat welded system but is a hybrid of welded plus glued roof. Britek is a major brand name of rv tpo roofing and is also a dicor product as we show in our photo story the problem with tpo isn t the product it s the application. A vice president of one of the largest roofing contractors in north carolina.

We are seeing a lot of failed 45 mil membrane roofs and expect the 60 mil roofs to follow soon. Reported problems included seams coming apart leaks and membrane failures especially when exposed to excessive heat over a prolonged period of time. 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. At 1 66 per square foot generic tpo is 13 more expensive than high quality brand name pvc so the price war is lost.

Tpo membranes have shown no consistency relative to failure mode. Tpo roofing membranes have been noted to have an issue of accelerated weathering when subjected to high thermal or solar loading. 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. 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. It fails in less than one year and up to 10 years plus. Membrane failures were particularly frequent in the states that experience the most heat and uv radiation all year round.

This problem has been specifically documented in the southern states that get a lot of heat and sun throughout the year. 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. Over the years because of the faulty chemical formulas in the past many tpo roofs have failed and needed to be recalled.