Tag Archives: NCMA Solutions Center

NCMA Solutions Center: Can a firestopping concrete masonry wall have penetrations?

February 18, 2019

NCMA eNewsFebruary 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…
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NCMA Solutions Center: Is there any guidance available for crack control in high seismic areas for concrete masonry walls?

February 12, 2019

NCMA eNewsFebruary 7, 2019 Yes. The “Engineered Method” is a method that was developed to provide a rational approach to crack control, particularly for high seismic areas. The engineered method uses a Crack Control Coefficient (CCC) which indicates anticipated wall movement, and is determined based on mix design of units, production, and curing methods. For…
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