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HPD Public Repository

Withdrawn HPDs

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  1. Expired: Paratherm G NH CG/Siplast, Inc./2023-03-17

    Open the PDF · HPD 34370

    HPD has expired. Expiration Date: 2026-03-09

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    Paratherm G NH CG is a rigid roof insulation board comprised of a closed cell non- halogenated polyisocyanurate foam core bonded on each side to a coated fiberglass facer. This HPD covers all Paratherm G NH GC products (flat and tapered…

  2. Expired: WALLcontrol Stainless Steel Butyl Adhered Flashing/Siplast, Inc./2022-09-23

    Open the PDF · HPD 33353

    HPD has expired. Expiration Date: 2025-08-29

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    This product is a multi-purpose self-adhesive flashing with a high temperature butyl adhesive with a polymer siliconized release liner. It has a durable 304 stainless steel facer that is flexible, hand formable, and trimmable with standard…

  3. Paradiene 20 TG by Siplast/Siplast, Inc./2024-04-19

    Open the PDF · HPD 12915

    Expiration Date: 2027-04-19

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    Modified Bituminous Membrane Roofing & Waterproofing.