265 - Fire wall.

§ 265. Fire wall. "Fire wall" means a wall which subdivides a building  or  separates buildings to restrict the spread of fire, and which starts  at the foundation and extends through all stories to or above  the  roof  as may be specified in the rules of the board. The board shall determine  and specify in its rules the material and the manner of construction and  erection of fire walls and the nature and extent of the protection to be  afforded to openings therein.