Section R. 400.4666 - GaragesRule 666.
(1) Garages located beneath a residential group home facility shall have walls, partitions, floors, and ceilings separating the garage from the rest of the facility by construction with not less than a 1-hour fire resistance rating with connecting door openings protected with B-labeled fire door and frame assemblies.(2) Garages attached to a facility shall be separated from the rest of the facility by construction with not less than a 1-hour fire resistance rating with connecting door openings protected with B-labeled fire door and frame assemblies that has approved self-closing, latching hardware.Mich. Admin. Code R. 400.4666
1983 AACS; 2015 MR 9, Eff. June 8, 2015