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705.2.5 Smoke- And Heat-Activated Doors

Fire Code 2021 of Colorado > 7 Fire and Smoke Protection Features > 705 Door and Window Openings > 705.2 Inspection and Maintenance > 705.2.5 Smoke- And Heat-Activated Doors

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Smoke-activated doors shall be maintained to self-close or automatically close upon detection of smoke. Existing fusible-link-type automatic door-closing devices are permitted if the fusible link rating does not exceed 135°F (57°C).

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