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  1. AcousticMAX Acoustical Smoke Vent/Nystrom/2026-04-10

    AcousticMAX Acoustical Smoke Vent/Nystrom/2026-04-10

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    Open the PDF · HPD 44481

    Expiration Date: 2029-04-10

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    Roof top smoke vents automatically open to release heat, smoke, and noxious fumes in the event of a fire emergency, as required by International Building Code (IBC 910 Heat & Smoke Vents, IBC 410 Stages & Platforms, IBC 3004 Hoistway…