(A) Construction. All roof signs, including all supports and bracing shall be constructed entirely of metal or another approved noncombustible material, except that such signs erected on or above approved fire-retardant roofing shall not contain an area of more than 40 square feet of approved combustible plastics or other approved combustible materials in each sign face, provided that the aggregate area of such approved combustible plastics or other approved combustible materials in all sign faces does not exceed 80 square feet and such sign face is not more than 40 feet in length, and provided, further, that not more than one such sign shall be erected on a roof.
(B) Setback from street wall. No roof sign shall be erected closer than five feet to any roof edge.
(C) Clearance above roof. No roof sign shall be erected with the bottom edge of such sign less than six feet above the roof.
(D) Fire-resistive and heavy timber roof. No roof sign shall be erected to a height of more than 20 feet above the roof of a building measured from the bottom of the sign unless the roof construction complies with the requirements for roofs of Type I Fire Resistive, Type II Semi-Fire Resistive or Type III Heavy Timber Construction or unless all loads are transmitted to masonry or reinforced concrete walls or protected steel or reinforced concrete columns by a construction having a fire resistance rating of at least one hour.
(Ord. 2003-51, passed 5-20-03)