Staff Answer
Feb 16, 2026 - 06:59 AM
It does not need foil wrapped.
Should I wrap it in foil before installation? 136581
Does this fiber board need foil wrap before installation?
Status:
Open Feb 16, 2026 - 08:27 AM
2answers
Answer
Feb 16, 2026 - 08:27 AM
As long as this is above grade, no foil is needed.
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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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