§ 156.05 MAINTENANCE OF EXTERIOR OF STRUCTURES.
   (A)    General.
      (1)    All exterior walls of every structure shall be maintained weathertight and shall be maintained so as to resist decay or deterioration from any cause.
      (2)    Any structure or accessory structure whose exterior surface is bare, deteriorated, ramshackle, tumble-down, decaying, disintegrating, or in poor repair must be repaired or razed.
         (a)    All buckled, rotted, or decayed walls, doors, windows, porches, floors, steps, railings, trim, and their missing members must be replaced and put in good condition.
         (b)    All replacements must match and conform to original design or be replaced completely.
         (c)    All exterior wood or exterior unfinished surface must be sealed and painted, or the surface covered with other approved protective coating or treated to prevent rot and decay, and conform and match the existing paint or surface covering and original design or replacement thereof; provided, however, that this shall not prevent use of treated, unpainted wood where this is an appropriate part of the building design. All exterior walls and surfaces must be properly protected against the weather, where such are defective or lack weather protection, including lack of paint or surface covering, or have weathered due to lack of proper protective covering.
      (3)    Any structure or accessory 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.
         (a)    All exterior surfaces shall be replaced or repaired in good condition preparatory to repainting or coating.
         (b)    All bare exterior surfaces which are flaking or crumbling shall be replaced or sealed in a good and workmanlike manner.
         (c)    All new or repaired bare surfaces shall be painted or coated.
         (d)    All exterior surfaces weathered with dirt and grime or which are peeling or flaking shall be painted or covered with approved protective coating or surface.
   (B)    Walls and foundations.
      (1)    All foundations and walls shall be maintained so as to carry the safe design and operating dead and live loads and shall be maintained plumb and free from open cracks and breaks, so as not to be detrimental to public safety and welfare.
      (2)    All foundations of every structure shall be maintained in such condition as to prevent the accumulation of moisture within the space enclosed within such foundations.
      (3)    All openings into the foundations of every structure shall be protected against the entrance of rodents.
   (C)    Roofs, gutters, and downspouts. All roofs of every structure (including accessory structures) shall be maintained weathertight and shall be equipped with gutters and downspouts connected to a public storm sewer. However, this requirement shall be waived for existing buildings if, in the opinion of the Building Inspector, the drainage does not cause excessive erosion or water damage or does not create a nuisance on public or private property.
   (D)    Chimneys, smokestacks, and the like. All chimneys, cooling towers, smokestacks, and similar appurtenances shall be maintained plumb and free from open cracks and breaks in a structurally safe, sound condition, and all exposed surfaces of metal or wood shall be protected from the elements and against decay or rust by periodic application of weather-coating material such as paint or similar surface treatment.
   (E)    Cornices, entablatures, and belt courses. All cornices, entablatures, belt courses, corbels, terracotta trim, wall facings, and similar decorative features shall be maintained in good repair with proper anchorage and in a safe condition.
   (F)    Signs, marquees, and awnings. All canopies, marquees, signs, metal awnings, stairways, fire escapes, stand pipes, exhaust ducts, and similar overhang extensions shall be maintained in good repair and be properly anchored so as to be kept in a safe and sound condition. They shall be protected from the elements and against decay and rust by the periodic application of a weather-coating material such as paint or other protective treatment.
   (G)    Fences. All fences on the premises shall be kept in a good state of repair and shall be periodically treated with chemicals or paint so as to retard corrosion or rotting.