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Withdrawn HPDs

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  1. Expired: AirBloc 16MR/Henry Company/2020-04-12
    Cover of AirBloc 16MR — open the PDF

    Open the PDF · HPD 10436

    HPD has expired. Expiration Date: 2023-04-12

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    Air-Bloc® 16MR is a liquid applied, elastomeric membrane designed to provide a vapor impermeable air and water barrier when applied to above-grade wall assemblies. It is single-component, water-based and cures to a tough monolithic…

  2. Expired: Stego® Wrap Class A Vapor Retarder/Stego Industries, LLC/2017-09-12
    Cover of Stego® Wrap Class A Vapor Retarder — open the PDF

    Open the PDF · HPD 4165

    HPD has expired. Expiration Date: 2020-09-12

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  3. Expired: Stego® Wrap Class C Vapor Retarder/Stego Industries, LLC/2019-04-04
    Cover of Stego® Wrap Class C Vapor Retarder — open the PDF

    Open the PDF · HPD 8274

    HPD has expired. Expiration Date: 2022-04-04

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    Stego Wrap Class C Vapor Retarder is a low-permeance under-slab vapor retarder (0330 00, 07 26 00) engineered to exceed ASTM E1745 Class C performance requirements and provide long-term moisture vapor protection.

  4. Expired: Polyguard Stretch Flex/Polyguard Products/2022-12-14

    Open the PDF · HPD 50817

    HPD has expired. Expiration Date: 2025-12-07

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    Polyguard Stretch Flex (SF) is a elastomeric coating which cures to form a durable waterproofing membrane capable of bridging cracks up to 1/16th of an inch. SF is designed for waterproofing below-grade foundation wall surfaces like…