...polyiso board loose its thermal properties? Does it go below R4.5 per inch? Is it usless at -15C ? or equal to XPS ? Polyiso starts to fall off in R value a...
Polyiso foam board : fiber faced (white) (IKO Therm 3) or the older product, Organic faced (gray) polyiso. Both products have visible 2mm (+/-) holes in both ...
...Polyiso, EPS & XPS rigid insulation boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there a...
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