Here is the applicable section from the 2018 irc.
Self closing garage door code.
The purpose is to keep a garage fire from spreading to the house.
We recommend that the door between garage and residence should be equipped with a self closing device although no longer required by the irc and fbc.
Where the door opens into the stairway of a smokeproof enclosure the landing need not have a length of 5 feet.
Garage door openers if provided shall be listed in accor dance with ul 325.
Title 24 part 2 section 2 3303 i 1 and i 2 exception.
0602 2018 requires r 1 and r 2 occupancies to have self closing doors where doors provide access to interior corridors or stairs.
Vision panels shall be limited to 1 296 square inches for each door.
Where a door opens over a landing the landing shall be at least as wide as the door and at least 5 feet long.
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.
Installing an automatic closing device on a garage door or a bedroom door would allow the door to be opened and closed manually but would help to ensure that the door is closed if there is a fire.
But don t worry making this door self closing is as simple as changing two or three of the door s hinges or installing a door closer at the top of the door.
The doors shall close the openings with only the clearance necessary for proper operation under self closing or automatic closing and self latching and shall be without undercuts louvers or grilles.
Uniform fire code fire code enforcement adopted amendments.
Visions of this code automatic sprinkler systems and standpipes shall be installed in accordance with the provi sions of chapter 9.
Ducts in a private garage and ducts penetrating the.
On july 1 2017 sentence 9 10 13 15.
It s code in most areas that the entry door to an attached garage be fire rated and have self closing hinges.