Thermoplastic Pvc Tpo Roof Membrane

In our view thermoplastic polyolefin tpo membranes have an uneven performance history.

Thermoplastic pvc tpo roof membrane.

We have seen many tpo roofs less than 10 years old with serious levels of membrane deterioration. This membrane is best recognized for having the benefits of epdm and pvc systems at a more economical cost. Tpo membranes are made with a co polymerized rubber that allows them greater flexibility in cold climates. The most common thermoplastic roof membranes are pvc and tpo.

Tpo is a single ply roofing system that consisting of a thermoplastic polyolefin membrane. Like pvc tpo can be installed fully adhered mechanically fastened or loose laid with ballast. Initially tpo roofing was designed to be an improved version of both pvc and epdm rubber membranes combing the benefits of both but without the disadvantages. Unlike sarnafil which is formulated to perform above and beyond the industry standard sikaplan is formulated to the industry standard like the rest of the thermoplastic roofing membranes on the market.

Both tpo and pvc membranes are smooth highly resistant to chemicals and to water related damage. This will ensure a longer life span of the roofing system. We have first hand experience with some mid 1990 tpo membranes that had problems with welding even when new. Heat welded seams provide superior strength.

Pvc sheets contain plasticizers and stabilizers. Tpo membranes are white and highly reflective making them an excellent choice for those looking to reduce. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. 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 it s a single ply membrane made from a polymerized combination of polypropylene and ethylene propylene rubber that can be attached to a roof with adhesive or with mechanical fasteners.

Tpo roofing systems 101. Polyvinyl chloride pvc pvc sheets are produced by calendaring spread coating or extruding and typically are reinforced with polyester or glass fiber mats or scrim. The following provides general descriptions of these two systems. The tpo membrane was first introduced to the roofing market in the early 1990 s as a more economical and efficient alternative that was thought to replace pvc roofing products.

Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope. Tpo and pvc prominent examples of thermoplastic membranes. Sheets range in thickness from 40 mils to 100 mils and are available as both reinforced and non reinforced membranes. The most obvious similarity is that tpo thermoplastic olefin and pvc poly vinyl chloride are both thermoplastic materials.