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Foam Board Aluminum Foil Face Which Way


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Foam Board Aluminum Foil Face Which Way. Web correct me if i’m wrong, but shouldn’t the foil facing on polyiso face the interior in climate zone 5 to help retain heat?. I want to use 2 layers for an r value outside of 15 or more.

China Thermal Insulation Polyurethane Foam Board with Aluminum Foil
China Thermal Insulation Polyurethane Foam Board with Aluminum Foil from wtinsulation.en.made-in-china.com

Web should the foil face on iso foam board house wrap face in or out? Web the best way to insulate a concrete wall is with foil faced rigid foam boards. Web installing foil faced insulation board is a great way to improve the energy efficiency of your home and reduce your heating bills.

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China Thermal Insulation Polyurethane Foam Board with Aluminum Foil

I want to use 2 layers for an r value outside of 15 or more. Web should the foil face on iso foam board house wrap face in or out? Web typically, the side of the insulation board with the vapor barrier or reflective foil should face towards the interior of the building. Web correct me if i’m wrong, but shouldn’t the foil facing on polyiso face the interior in climate zone 5 to help retain heat?.

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