Roofs shall be constructed of cast-in-place reinforced concrete, and any roof covering shall be "Fire Retardant" in conformity with the requirements of type I construction.
Ca. Health and Saf. Code § 9646
Roofs shall be constructed of cast-in-place reinforced concrete, and any roof covering shall be "Fire Retardant" in conformity with the requirements of type I construction.
Ca. Health and Saf. Code § 9646