Section 760.1130  Openings to be Protected Against Entry of Rodents and Insects

Openings to the outside shall be effectively protected against the entry of rodents.  Outside openings shall be protected against the entry of insects by tight-fitting, self-closing doors; closed windows; screening; controlled air currents; or other means.  Screen doors shall be self-closing, and screens for windows, skylights, transoms, intake and exhaust air ducts, and other openings to the outside shall be tight-fitting and free of breaks.  Screening material shall be not less than 16 mesh to the inch.