(a) Parapets for fire walls shall be of weather-resistant materials. The top of parapets when subject to moisture penetration shall be provided with a coping of noncombustible weatherproofing material with all joints constructed to prevent the penetration of moisture.
(b) Parapets for fire walls shall have at least a three-hour fire resistance rating as the fire wall below, and when constructed of masonry, the thickness of such parapets shall be not less than one-fourth of their height above the roof level.
(Ord. 1985-76. Passed 5-28-85.)