Solid wood at least 1 3 8 thick.
Single family residence garage door fire rating.
In single family homes a fire rated door or fire rated frame assemblies are not a requirement thus the term fire door is not always accurate.
Other openings between the garage and the residence shall be equipped with solid wood doors not less than 1 3 8 35 mm in thickness solid or honeycomb core steel doors not less than 1 3 8 35 mm thick or 20 minute fire rated doors.
Openings from a private garage directly into a room used for sleeping purposes shall not be permitted.
Particularly when the home can be built with fire rated door and door housing as a solution to eliminate being a part of these statistics doors must be properly maintained and are closed and latched in the event of a fire.
Door to house this is the only place where any fire rating is specified.
If you still want to replace the door a fire rated door is only one option to meet the fire separation requirement the garage and residence shall be equipped with solid wood doors not less than 1 3 8 inches in thickness solid or honeycomb core.
1 where a required door is operated by power such as a door with photo electric actuated mechanism that opens the door upon the approach of a person or a door with power assisted manual operation the design shall be such that in event of power failure the door may be opened manually to permit exit travel or closed to safeguard means of egress.
By the way cutting a hole in the door to install a pet door flap voids the 20 minute rating.
This formal technical opinion is intended to deal.
Doors between a house and a garage can be one of three types take your pick.
While the six panel door shown below gets awfully thin at the panels this is still a 20 minute fire rated door so there s nothing wrong with it being used.
To be clear fire doors are minute and hourly rated assemblies.
Solid or honeycomb core steel at least 1 3 8 thick.
Other openings between the garage and residence shall be equipped with solid wood doors not less than 13 8 inches 35 mm.
The international residential code table is similar.
6 panel primed 20 minute fire rated steel prehung right hand inswing front door with brickmould thdjw166100237 the home depot.
Extremely durable this jeld wen twenty minute fire rated 6 panel primed white steel prehung front door with brickmould will enhance your entryway.
The door cannot open directly onto a room used for sleeping purposes bedroom and must be one of the following types.
The department of community affairs has been made aware of inconsistent enforcement of the requirements for fire separation when private garages are located beneath living space in single family home construction.
If the door is not solid wood or steel honeycomb and at least 1 3 8 thick then it must have a 20 minute fire rating.
3 21 one and two family dwelling subcode sections r302 5 r302 6.