Code Requirements:
2019-NFPA 80
6.3.1.7 Clearances
6.3.1.7.2* The clearances between the top and vertical edges of hollow metal doors and the frame, and the meeting stiles of doors swinging in pairs, shall be 1⁄8in.± 1⁄16in. (3.18 mm ± 1.59 mm).
4.8.4 Clearance.
4.8.4.1 The clearance under the bottom of a door shall be a maximum of ¾”.
4.8.4.4 Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
5.2.3.5.2 (6) Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.
2016-NFPA 80
6.3.1.7 – Clearances
6.3.1.7.2 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
4.8.4 – Clearance
4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
5.2.3.5.2 (6) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.
2013-NFPA 80
6.3.1.7 – Clearances
6.3.1.7.1 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
4.8.4 – Clearance.
4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
5.2.3.5.2 (6) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.
2010-NFPA 80
6.3.1.7 Clearances
6.3.1.7.1 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
4.8.4 Clearance
4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
5.2.4.2 (5) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.