(a) Roofs on buildings used as one, two or three-family dwellings, or as private garages, which are less than three stories or thirty-five feet in height and which do not exceed 2,500 square feet in area, may be covered with wood shingles. Wood shingles shall not be used on any building except where not less than fifteen-feet clear distance will be maintained between such building and any adjacent building. Such roofs shall be of approved vertical grain or edge grain wooden shingles of a thickness not less than five butts in two inches. The exposure of such wood shingles to the weather shall not exceed the following:
(1) On roofs greater than one-third pitch, the exposure shall be five inches for sixteen-inch shingles, five and one-half inches for eighteen-inch shingles, and seven and one-half inches for twenty-four inch shingles;
(2) On roofs with less than one-third pitch, but not less than one-quarter pitch, the exposure shall be greater than four inches for sixteen-inch shingles, four and one-half inches for eighteen-inch shingles, and six and one-half inches for twenty-four inch shingles.
(b) All wood shingles shall be securely nailed to the roof deck with rust-resistant nails according to accepted good practice.
(c) In no case shall wood shingles be used unless they are approved by the Superintendent of Building and Zoning Inspection in accordance with the provisions of this section.
(Ord. 42-1981. Passed 2-23-81.)