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406.3.2.1 Dwelling Unit Separation
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The private garage shall be separated from the dwelling unit and its attic area by means of gypsum board, not less than 1/2 inch (12.7 mm) in thickness, applied to the garage side. Garages beneath habitable rooms shall be separated from all habitable rooms above by not less than a 5/8-inch (15.9 mm) Type X gypsum board or equivalent and 1/2-inch (12.7 mm) gypsum board applied to structures supporting the separation from habitable rooms above the garage. Door openings between a private garage and the dwelling unit shall be equipped with either solid wood doors or solid or honeycomb core steel doors not less than 13/8 inches (34.9 mm) in thickness, or doors in compliance with Section 7184.108.40.206 with a fire protection rating of not less than 20 minutes. Doors shall be self-closing and self-latching.
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406.3.2.1 Special Detailed Requirements Based on Occupancy and Use, Dwelling Unit Separation
The private garage shall be separated from the dwelling unit and its attic area by means of gypsum board, not less than 1 / 2 inch (12.7 mm ...
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