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  1. Biostop Joint Strip/RectorSeal LLC/2024-11-05

    Biostop Joint Strip/RectorSeal LLC/2024-11-05

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    Open the PDF · HPD 39285

    Expiration Date: 2027-11-05

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    A flexible, highly intumescent firestop material used in concrete and masonry control floor and wall joints up to 2" (51 mm) wide. It forms a strong char that prevents the passage of flame, smoke, and hot gases between control…