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我需要这样的产品水隙之间的基础ment wall and the foam board insulation?

Courtney McCracken| Posted inEnergy Efficiency and Durabilityon

Mystic CT NZE house. I am applying a foil faced polyiso board (2.5″) on concrete basement walls. Do I need a product like Obdyke Hydrogap between the basement wall and the foam board insulation?

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  1. GBA Editor
    Martin Holladay||#1

    Courtney,
    Q. "Do I need a product like Obdyke Hydrogap between the basement wall and the foam board insulation?"

    A. No. For more information, seeHow to Insulate a Basement Wall.

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