(a) All exterior walls of every dwelling structure shall be maintained weathertight and so as to resist decay or deterioration from any cause.
(b) Any dwelling structure or secondary or appurtenant structure whose exterior surface is bare, deteriorated, ramshackle, tumble-down, decaying, disintegrating or in poor repair must be repaired or razed.
(1) All buckled, rotted or decayed walls, doors, windows, porches, floors, steps, railings, soffits, posts, sills, trim and their missing members must be replaced and put in good condition.
(2) All replacements must match and conform to original design or be replaced completely.
(3) All exterior wood or exterior unfinished surfaces must be sealed and painted, or the surface covered with other approved protective coating or treated to prevent rot and decay and conform to and match the existing paint or surface covering and original design or replacement thereof. All exterior walls and surfaces must be properly protected against the weather.
(c) Any dwelling structure or secondary or appurtenant structure whose exterior surface is deteriorated, decaying, disintegrating, or whose exterior surface has weathered with dirt and grime or has been impaired through peeling or flaking of the paint or other protective coating, shall be repaired, repainted or resurfaced.
(1) All exterior surfaces shall be replaced or repaired in good condition preparatory to painting or coating.
(2) All bare exterior surfaces which are flaking or crumbling shall be replaced or sealed in a good and workmanlike manner.
(3) All new or repaired bare surfaces shall be painted or coated.