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Withdrawn HPDs

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  1. Thermally Broken Roof Hatch/Babcock-Davis/2026-09-02

    Open the PDF · HPD 46408

    Expiration Date: 2029-09-02

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    Roof Hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs. Babcock-Davis's complete line of Roof Hatch and Safety products meet building codes, fire and life safety requirements…

  2. Thermally Broken Roof Hatch/Nystrom/2026-09-02

    Open the PDF · HPD 46406

    Expiration Date: 2029-09-02

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    Roof Hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs. Nystrom's complete line of Roof Hatch and Safety products meet building codes, fire and life safety requirements. The…

  3. Expired: Thermally Broken Roof Hatch/Nystrom/2019-08-15

    Open the PDF · HPD 9038

    HPD has expired. Expiration Date: 2022-07-10

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    Roof Hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs. Nystrom's complete line of Roof Hatch and Safety products meet building codes, fire and life safety requirements. The…

  4. Thermally Broken Roof Hatch/Activar Construction Products Group/2026-04-02

    Open the PDF · HPD 14045

    Expiration Date: 2029-04-02

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    This HPD covers the ThermalBlock Series thermally broken roof hatch models RHTBA-1, RHTBA-2, RHTBA-3, RHTBA-4, RHTBA-5 standard sizes and custom sizes. Manufactured from 11 gauge aluminum this roof hatch provides a thermal resistance of…