Not less than From the gypsum residence and board or attics equivalent applied to the garage side Not less From than habitable Type rooms above X gypsum the garage board or equivalent Structure(s) supporting Not less floor/ceiling than assemblies used for gypsum separation board or required by equivalent this section Not less than Garages gypsum located less board or than 3 feet equivalent from a applied to dwelling unit the interior on the same side of lot exterior walls that are within this area For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm. ❖ This specifies when and how the garage must be separated from the dwelling unit and any attic space. Walls between the residence and the attached garage, or ceilings between the garage and an attic space, must have at least (12.7 mm) gypsum board on the garage side. If a 1/2-inch habitable room is above the garage, the ceiling must be at least (15.9 mm) Type X 5/8-inch gypsum board on the garage side. Additionally, the exterior walls of the garage are required to
From the residence and attics Not less than gypsum board or equivalent applied to the garage side From habitable rooms above the garage Not less than Type X gypsum board or equivalent Structure(s) supporting floor/ceiling assemblies used for separation required by this section Not less than gypsum board or equivalent Garages located less than 3 feet from a dwelling unit on the same lot Not less than gypsum board or equivalent applied to the interior side of exterior walls that are within this area For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm. ❖ This specifies when and how the garage must be separated from the dwelling unit and any attic space. Walls between the residence and the attached garage, or ceilings between the garage and an attic space, must have at least 1/2-inch (12.7 mm) gypsum board on the garage side. If a habitable room is above the garage, the ceiling must be at least 5/8-inch (15.9 mm) Type X gypsum board on the garage side. Additionally, the exterior walls of the garage are required to
R302_Fire-resistant_Construction.docx