Protective treatment. Exterior surfaces, including,
but not limited to, siding, doors, door and window frames, cornices,
porches, trim, balconies, decks and fences, shall be maintained in
good condition. Exterior wood surfaces, other than decay-resistant
woods, shall be protected from the elements and decay by painting
or other protective covering or treatment. Peeling, flaking and chipped
paint shall be eliminated and surfaces repainted. Siding and masonry
joints, as well as those between the building envelope and the perimeter
of windows, doors and skylights, shall be maintained weather-resistant
and watertight. Metal surfaces subject to rust or corrosion shall
be coated to inhibit such rust and corrosion, and surfaces with rust
or corrosion shall be stabilized and coated to inhibit future rust
and corrosion. Oxidation stains shall be removed from exterior surfaces.
Surfaces designed for stabilization by oxidation are exempt from this
requirement. Use of moisture barriers and insulation materials as
a method of permanent protective treatment is prohibited and shall
be allowed for no more than 30 days unless an extension is authorized
by the Inspection Department.