105 CMR 150.630
Doors and Doorways
(A) All doors used by residents shall be swing-type at least 41.5 inches in clear width except
toilet room doors which shall be at least 32 inches in clear width and, if in-swinging, have pivots
and manually operated emergency release. Doors in exit stairway enclosures shall be at least 32
inches in clear width. Resident toilet room doors shall be allowed to be surface mounted sliding
doors provided that their specifications comply with the Life Safety Code.
(B) Locks shall not be installed on doors used by residents, unless each lock can be operated
without key or tools on both sides of the door.
(C) All outside doors and doorways shall be made draft-free by the installation of weather
stripping or caulking material.
(D) Kitchen doors shall be a minimum of 42 inches wide.