The owner of every occupied dwelling upon which there is a fire-escape shall keep such fire-escape in good order and repair, and wherever rusty shall have it properly painted with two coats of paint. No person shall at any time place any incumbrance of any kind before or upon any fire-escape, scuttle, or bulkhead. The tenant or occupant of each apartment shall be liable for any incumbrances on the fire-escape, scuttle, or bulkhead adjoining his apartment.
53 P.S. § 15003