Ask any commercial roofing contractor what their preferred roofing substrate it and you’re bound to get consistently high marks for TPO Roofing. Otherwise known as Thermoplastic polyolefin, TPO is a single ply type of roofing substrate and is considered the […]
Source: http://www.roofingtri.com/what-is-tpo-roofing/
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source https://roofingtri.wordpress.com/2016/07/29/what-is-tpo-roofing/