The door shown below is an example.
Fire rated door garage to house code.
The purpose is to keep a garage fire from spreading to the house.
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.
Primed finger jointed casing door 5 pack.
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.
Solid or honeycomb core steel at least 1 3 8 thick.
Door to house this is the only place where any fire rating is specified.
All of the doors mentioned above must be installed with a self closing or automatic closing device in order to comply.
For example if a 20 minute fire rated door is installed in an opening between a garage and the house it must be self closing.
An attached garage is a garage that is physically attached to a house.
Solid wood at least 1 3 8 thick.
6 panel primed 20 minute fire rated steel prehung right hand inswing front door with brickmould irving 15 in.
No doors allowed from a garage to a bedroom.
The international residential code table is similar.
While the six panel door shown below gets awfully thin at the panels this is still.
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 between the house and garage.
Doors between a house and a garage can be one of three types take your pick.
Contractor cedar shim woodgrain millwork wm 356 11 16 in.
It is not likely that any raised panel 1 3 8 door will ever have such a rating or qualify for proper garage house fire separation.
For instance there are fire rated doors that have a 20 minute several hours rating and they can be selected to meet fire department code requirements for residential spaces check your condo or townhouse local building codes for any requirements of fire rated entry or house to garage doors.
A remodeler doing a flip house changes out all the doors in the home to update the interior and replaces the old door to the garage with a hollow core interior door.
The reason the inspector wants to see the tag is because then they know it is a 20 minute fire rated door and meets one of the choices for type of door for garage house fire separation.
By the way cutting a hole in the door to install a pet door flap voids the 20 minute rating.
It s code in most areas that the entry door to an attached garage be fire rated and have self closing hinges.
