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  1. Expired: DB650 Drainage Composite/Henry Company/2020-04-14
    Cover of DB650 Drainage Composite — open the PDF

    Open the PDF · HPD 10457

    HPD has expired. Expiration Date: 2023-04-14

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    Henry DB Products consist of multiple components designd to enhance the perforance of Henry protected membrane roofing and waterproofing systems. Henry DB consists of a polystyrene core combined with a polypropylene fabric.