Unilin / Xtratherm ThinR Flat Roof BGM Insulation PIR Board is ideal for use with partially bonded, torched-on and built-up bituminous felt systems. Built-up Bituminous Felt (BGF) is faced with a polypropylene fleece finished bitumen/glass fibre working surface and a mineral glass facing to the under side. FR/BGM is part of Unilin / Xtratherm’s comprehensive range of high performance flat roof boards providing total solutions for flat roof projects. It can be used in new buildings or as an addition to existing roofs.
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