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The Definitive Guide to How to isolate roofs

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Set up polyisocyanurate boards in a number of levels with staggered joints to achieve R-30 minimum. Think about incorporating a recovery board and vapor barrier to protect versus condensation particularly in humid climates. A layer of spray polyurethane foam might be put in versus the underside on the roof sheathing, https://edwin6clta.designertoblog.com/63368417/facts-about-how-to-isolate-roofs-revealed

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