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Mar 27, 2026 - 03:00 PM
The 4 inch iso board has a thickness of 4 inches. This thickness provides substantial insulation for walls and roofs, helping to lower energy bills and improve comfort.
What is the thickness of the 4" board? 136581
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Open Mar 27, 2026 - 03:00 PM
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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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