What are the parameters for a fire resistant brick?
In terms of 2018 NFPA 101, the general requirements in Chapter 8 aid in limiting the spread of smoke and fire and protect exit access corridors, exits, and other areas of the building from fire in adjoining areas and on other floors. Construction and compartmentation requirements vary by occupancy and are specified in Chapters 12 through 42 of the Code.
The Code does not specific the type of brick for the construction and compartmentation requirements. Fire barriers need to be reasonably airtight under increased air pressure on the fire side due to heated air expansion and must prevent the passage of heat and flame for a designated time. Fire barriers also must be capable of withstanding direct impingement by the fire, as determined by large-scale tests conducted in accordance with either of the following:1. ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials2. ANSI/UL 263, Standard for Fire Tests of Building Construction and Materials
The type of brick may be generic or proprietary in the test documents of the various large-scaled test of ASTM E119 or ANSI/UL 263.
The Brick Industry Association is a good resource for fire resistance of brick masonry.
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