Screens shall be supplied to the following extent:
Every basement or cellar window which is openable shall be supplied with a heavy wire screen or hardware cloth of not less than four mesh per inch which fits tightly and is securely fastened to the frame, or with any other material affording equivalent protection against the entry of rodents.
From April 15th to November 15th of each year, every door opening directly from any family unit to the outdoors and every window, or other outside openings used for ventilation purposes, shall be supplied with a screen of not less than 16 mesh per inch and every screen door shall have a self-closing device in good working condition. Except for existing screens, which shall not be removed without the written consent of the person entitled to possession of the unit, no screens shall be required for a family unit on a floor above the fourth floor, unless required by the department of buildings and fire department when unusual circumstances of insect prevalence exists.
(Prior code § 78-54; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 6-27-90, p. 17617)