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  • Image of Rim Joist Insulation by Crawl Space Ninja

    • Crawl Space Ninja® Rim Joist Insulation (9.5"x14.5")

    $129.99
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    Product Description

    Free Shipping to the Lower 48 States

    • Quantity 10-Pack
    • Pre-Cut 9.5" x 14.5" x 2.25" Foam Board
    • Use with Spray Foam to Air Seal and Insulate Rim Joists
    • R-10 Foam Board

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