The purpose is to keep a garage fire from spreading to the house.
Self closing garage door.
The irc already included a requirement for these doors to be self closing equipped with a closer or spring hinges but for some reason it is still common to find garage doors that are not self closing.
Self closing hinges replace two of the existing hinges with self closing hinges.
0602 2018 requires r 1 and r 2 occupancies to have self closing doors where doors provide access to interior corridors or stairs.
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.
Hinge outlet adjustable spring hinges 4 inch with 5 8 inch radius in satin nickel self closing hinges door closing hinges 2 pack 4 3 out of 5 stars 46 23 95 23.
Houseables self closing door hinges mortise spring hinge 5 8 radius corner 4 x 4 2 pack 2 7 mm satin nickel finish automatic closer adjustable tension loaded auto close pin heavy duty.
It s code in most areas that the entry door to an attached garage be fire rated and have self closing hinges.
One theory is that it is inconvenient to have a self closing door in that location.