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  1. Expired: NO4 Filter Fabric/Henry Company/2020-04-15
    Cover of NO4 Filter Fabric — open the PDF

    Open the PDF · HPD 9432

    HPD has expired. Expiration Date: 2023-04-15

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    Filter Fabric is a non-woven geotextile made up of polypropylene fibers. These fibers are needled to form a stable and durable network such that the fibers retain their relative position. It is non-biodegradable and resistant to most soil…

  2. Expired: Root Bloc 20/Henry Company/2020-04-15
    Cover of Root Bloc 20 — open the PDF

    Open the PDF · HPD 9433

    HPD has expired. Expiration Date: 2023-04-15

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    Root Bloc 20 secondary root barrier is an optional addition to prevent again root penetration. Typically used in an intensive vegetative roofing assembly, Root Bloc 20 is a flexible, polymeric geomembrane liner.

  3. 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.

  4. Expired: BAKOR DB6200 DRAINAGE BOARD/Henry Company/2018-06-07
    Cover of BAKOR DB6200 DRAINAGE BOARD — open the PDF

    Open the PDF · HPD 6118

    HPD has expired. Expiration Date: 2021-06-07

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  5. NO4 Filter Fabric/Henry Company/2025-06-17

    Open the PDF · HPD 50420

    Expiration Date: 2028-06-17

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    Filter Fabric is a non-woven geotextile made up of polypropylene fibers. These fibers are needled to form a stable and durable network such that the fibers retain their relative position. It is non-biodegradable and resistant to most soil…