Staff Answer
Jul 17, 2025 - 12:52 PM
Yes, you would want to put a 6mil black plastic vapor barrier on as well.
Would this be ok to use as insulation between the floor joists under a mobile home? 136581 Insulation
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Open Jul 16, 2025 - 06:27 AM
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136581
Polyiso Rigid Foam useful for all sorts of projects - walls, roofs. (not for use under concrete) IN STOCK at our warehouse in Fairfield, Iowa Most are NEW Factory Seconds Retails for $60 per sheet or more. 4' x 8' and 4' x 4' Sheets: Thick R-Value Price Thickness R-Value 4 x 8 4 x 4 ...
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