Here are the code references for excessive clearances found in the NFPA-80, Standard for Fire Doors and Other Opening Protectives, 2010 Edition:
- 188.8.131.52.1 The clearances between the top and vertical edges of the door and the frame, and the meeting edges of the doors swinging in pairs, shall be 1/8 in. +/- 1/16 in. for steel doors and shall not exceed 1/8 in. for wood doors.
- 184.108.40.206.2 Clearances shall be measured from the pull face of the door(s).
- 220.127.116.11 The clearance under the bottom of a door shall be a maximum of 3/4 in.