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R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Perma "R" Products R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

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can this be use to insulate a crawl space?


Yes this product is commonly used in crawl spaces. When attaching it, if there is a dead air space of 3/4'' or greater face the metallic side to it. This will enhance the overall R-Value of the board and provide more thermal comfort.

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