The door cannot open directly onto a room used for sleeping purposes bedroom and must be one of the following types.
Irc separation garage house door.
Doors separating the garage and living spaces shall be 1 3 8 solid wood solid or honeycomb core steel doors not less than 1 3 8 thick or 20 minute rated doors.
R302 6 dwelling garage fire separation.
The garage needs to be separated from the house.
26 gage 0 48 mm sheet steel or other approved material and shall have no openings into the garage.
One could make the argument that given the wording in irc 302 5 1 a fire rated door or its equivalent is required.
The garage and or carport shall be separated as required by table r302 6 openings in garage walls shall comply with section r302 5 attachment of gypsum board shall comply with table r702 3 5 the wall separation provisions of table r302 6 shall not apply to garage walls that are perpendicular to the adjacent dwelling unit wall.
Inches 35 mm thick or 20 minute fire rated doors equipped with a selfclosing device.
The wall between a house and garage must be separated by 1 2 drywall.
One example of a problem area is the entry door between the garage and the residence.
Steel door with a solid of honeycomb core not less than 1 3 8 thick.
Ducts in the garage and ducts penetrating the walls or ceilings separating the dwelling from the garage shall be constructed of a minimum no.
This also applies to structural members and this extends to the attic in a common sense type of way.
A door with a 20 minute fire rating.
Solid wood door not less than 1 3 8 thick.
These doors shall not open into a sleeping room.
So for all these reasons the international residential code irc and residential edition of the florida building code fbc r302 5 have safety standards for a door that separates the garage from the house interior.
This door assembly is not specifically required to be fire rated.