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The polyisocyanurate insulation ... Traditional PIR insulation, despite its energy efficiency benefits, has historically faced criticism for being difficult to recycle. Once installed, PIR boards ...
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insulating with PIR. horrible job!Watch as I tackle the challenge of insulating with PIR (Polyisocyanurate) boards – and trust me ... experience. #Insulation #PIR #DIYFail #HomeImprovement Blue state university administrators ...
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