105 CMR 450.140
Adequate Ventilation
Each resident and employee shall have adequate ventilation at all times. Each facility shall have
ventilation of each habitable and occupiable space, bathroom and toilet compartment in compliance
with 780 CMR: The State Building Code.
440.141: Screens
(A) Each window and door used for ventilation to the exterior shall have tight-fitting screens with a
minimumof 16 mesh per square inch. Each screen door shall be equipped with a self-closing device
unless the door is designed to slide from side to side.
(B) Every required window screen other than those in a food preparation, service or storage area shall
be in place and in good repair from April 15 through October 30.