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Article: TPO Update - 2001.(thermoplastic polyolefin)
- Article from:
- Roofing Contractor
- Article date:
- April 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Thermoplastic roof membranes have been in use on commercial, industrial, institutional and governmental facilities for more than 25 years in the United States. The benefit of a welded lap (either by hot air or chemical) was recognized long ago as the superior feature of a thermoplastic membrane. We learned that unreinforced thermoplastic (such as plain PVC) did not give long-term performance when compared to reinforced PVC. There are a number of coated fabric products in use today that have PVC (or other thermoplastics) as the principal polymer present. They all, in one form or another, have a formulation that works. The first concern was performance; cost took a back seat ...