Tpo Roofing Membrane Failures

In the building industry tpo stands for thermoplastic polyolefin a synthetic rubber compound that has been extensively used for roofing since the late 1980s.

Tpo roofing membrane failures.

There are many different kinds of roofing systems out there but one of the more common is known as tpo or a single ply membrane. Because pvc was seemingly a lot more expensive many architects specifiers and building owners chose tpo membranes especially with the modern craze about cool roofs. 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 neither of which failed until over 190 days. After a few years and millions of square feet purchased tpo became the number 1 commercial roofing material installed by volume.

Carlisle s sure weld tpo membranes have the industry leading octaguard xt weathering package for enhanced long term weathering. At the same time lack of information on problems with tpo also. It fails in less than one year and up to 10 years plus. These membranes are in a performance class unmatched by any other tpo membrane.

Maintenance and repair of thermo plastic roof systems. In over 90 percent of all roofing system integrity failures the problem is not due to the roof system itself but to. Membrane failures were particularly frequent in the states that experience the most heat and uv radiation all year round. If you are looking for a cost effective and durable single ply roofing system for your flat or low slope roof a tpo thermoplastic olefin membrane may be a solid energy efficient option.

It is made up of a single ply synthetic membrane used to cover flat and low slope roofs. Cost a typical residential tpo roof will cost between 6 50 and 11 50 per sq. We are seeing a lot of failed 45 mil membrane roofs and expect the 60 mil roofs to follow soon. There is another kind of single ply membrane in commercial roofing known as ethylene propylene diene terpolymer epdm but we will focus on thermoplastic polyolefin tpo for now.

Flat roof your. It is measured that unwashed roofs in industrial environments will lose 40 of their original. The epdm tpo pvc membrane is highly reflective during installation. A vice president of one of the largest roofing contractors in north carolina.

Tpo membranes have shown no consistency relative to failure mode. Pvc vs tpo roofing. Pvc membranes have a proven track record of performance for over 30 years with no recent revisions in the membrane s formulation. Tpo is a single ply roofing system that consisting of a thermoplastic polyolefin membrane.

Tpo membranes can be applied directly over old existing roofing material or a bare roof deck with adhesive or mechanical fasteners.