2000
International Residential Code
Garages
Section R309
Garages
Section R309
- Garages shall not open into sleeping rooms.
- Doors opening into garages from the dwelling unit shall be solid core 1 3/8- inches-thick wooden doors, solid or honeycomb steel doors, or 20 minute fire-rated doors.
- The garage shall be separated from the dwelling unit by not < 1/2-inch gypsum wallboard applied to the garage side. Vertical supports of floor/ceiling separations shall also be protected by < 1/2-inch gypsum wallboard.
- Ducts penetrating walls between the garage and dwelling unit shall be a minimum 26 gage steel without openings into the garage.
- Floors shall be of noncombustible material sloped for drainage to an approved drain or to the main vehicle entry door.