Tpo Roofs Failing
This means that a tpo roof is as uv resistant and as heat resistant as epdm and as heat weldable.
Tpo roofs failing. Here at west roofing systems we ve been installing single ply membrane roofing for over 38 years. Ib pvc is by far a much better product than genflex tpo. With pvc all flashings and cover tape are heat welded. 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.
1st generation of tpo roofs began to fail in the late 1990 s and early 2000 s. In this article we cover everything you need to know about tpo roofing. 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. Now some manufacturers are on their 3rd generation or major reformulation of their tpo products.
Epdm rubber roofs fail prematurely. 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. Have tpo roofs been failing. Each type of failure blisters splits and punctures to name a few typically results from a specific cause.
Poor design for example can lead to splits and debris can cause punctures. 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. 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. 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.
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. Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. Tpo is a type of membrane roofing suitable for flat and low slope roofs. Prior to 2014 all epdm rubber roofs have failed prematurely due to the break down of liquid adhesives used to bond seams.
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. Now here is the subjective part. 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.
Tpo is touted to have the benefits of two of its direct competitors epdm and pvc roofs but without the drawbacks and extra costs. Thus for an average sized 1 200 sq. A typical residential tpo roof will cost between 6 50 and 11 50 per sq.