Tpo Roof Failure

A typical residential tpo roof will cost between 6 50 and 11 50 per sq.

Tpo roof failure. Flat roof your total cost to install a new tpo roof can range from 7 800 to 13 800 depending on project specific variables contractor choice and your home s location. The way a roof wears the bumps and wrinkles it bears can show a lot about why it is failing. These failures sparked serious concerns from mrca and nrca nrcc both of which issued advisories back in 2010 and 2011 urging roofing contractors to be aware of these issues and take extra precaution when installing tpo roofs. Buildings magazine examined which problems are most common and the conditions that can either cause or be the result of premature failure and reduced service life of low slope roof systems.

This is not a self diagnostic guide but rather an informative list of some of the problems most often battled. It s no longer a truly heat welded system but is a hybrid of welded plus glued roof. Poor design for example can lead to splits and debris can cause punctures. The data show that when either mode of failure cracking or weight loss is considered the best performing tpo membranes are by far gaf everguard extreme 60 mil and gaf everguard extreme 50 mil.

Thus for an average sized 1 200 sq. It fails in less than one year and up to 10 years plus. Tpo is touted to have the benefits of two of its direct competitors epdm and pvc roofs but without the drawbacks and extra costs. Now tpo is more like epdm rubber with heat welded field seams.

The salesperson s statement about the long term warranty on the roof claimed to be as long as 12 years should be set aside and disregarded since material failure is rare and proof of such failure on a tpo roof is practically impossible to prove. In the building industry tpo stands for thermoplastic polyolefin a synthetic rubber compound that has been extensively used for roofing since the late 1980s. At the end of the day it doesn t matter which mode of failure happens first cracking or weight loss failure is failure. 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.

Tpo also lost its competitive advantage by using peel stick flashing. Each type of failure blisters splits and punctures to name a few typically results from a specific cause. Blake talbott bbh design advisory 2011. It s all about the rv manufacturer s workmanship.

Obvious or unforeseen roof problems are always a pain and undoubtedly a significant expense. At 1 66 per square foot generic tpo is 13 more expensive than high quality brand name pvc so the price war is lost. It is made up of a single ply synthetic membrane used to cover flat and low slope roofs.