186 - Extension roofs.
§ 186. Extension roofs. The under-surface of the roof of any extension shall be fire-retarded or sprinklered unless such ceiling has already been plastered in a manner satisfactory to the department.
§ 186. Extension roofs. The under-surface of the roof of any extension shall be fire-retarded or sprinklered unless such ceiling has already been plastered in a manner satisfactory to the department.