Tpo Roofs Failing

This single ply rubber roofing system is predominately used on commercial flat roofs but have failed to reach the life expectancy promised in the manufacturer s warranty. As one of the most common roof types of big commercial facilities tpo has some of the best energy savings for single ply membrane roofing. Prior to 2014 all epdm rubber roofs have failed prematurely due to the break down of liquid adhesives used to bond seams.

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Thus for an average sized 1 200 sq.

Tpo roofs failing. Roofing calculator in the building trades the acronym tpo stands for thermoplastic polyolefin a material originally developed for pond liners and used extensively for roofing since 1989. Ib pvc is by far a much better product than genflex tpo. In it s fairly short life about 15 16 years tpo went through at least 2 generations. The latest formulations of tpo membranes have relatively few years of real world exposure so their resistance to heat uv and general weathering is still unknown.

This means that a tpo roof is as uv resistant and as heat resistant as epdm and as heat weldable. Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. Have tpo roofs been failing. The reason why tpo roofs cost more is you must use peel stick flashing and primer glue for all penetration flashings and for drip edge cover tape.

If you ve seen a bright white roof then you may be familiar with tpo roofing. The name is a bit misleading because rather than being a plastic tpo is actually one of a few different types of rubber usually a blend of polypropylene and ethylene propylene rubber. Poor design for example can lead to splits and debris can cause punctures. Each type of failure blisters splits and punctures to name a few typically results from a specific cause.

In this article we cover everything you need to know about tpo roofing. The way a roof wears the bumps and wrinkles it bears can show a lot about why it is failing. As mentioned previously in the history of tpo s section early generations of tpo membranes had many performance issues which led to changes in their formulations. 1st generation of tpo roofs began to fail in the late 1990 s and early 2000 s.

Tpo is touted to have the benefits of two of its direct competitors epdm and pvc roofs but without the drawbacks and extra costs. 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. With pvc all flashings and cover tape are heat welded. Tpo is a type of membrane roofing suitable for flat and low slope roofs.

What is a tpo roof. Here at west roofing systems we ve been installing single ply membrane roofing for over 38 years. 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. Now here is the subjective part.

A typical residential tpo roof will cost between 6 50 and 11 50 per sq. Now some manufacturers are on their 3rd generation or major reformulation of their tpo products. Epdm rubber roofs fail prematurely.