February 14, 2019
Yes. A firestopping concrete masonry wall can have penetrations providing that the penetration conforms to the requirements of the International Building Code (IBC). The penetrating item has to conform to the material requirements that the IBC lays out as well as the dimension limits the IBC specifies for penetrations through firestopping concrete masonry walls. For more information, see TEK 7-3AFirestoppping for Concrete Masonry Walls.