A-3.1.8.3.(4) Fire Separation Continuity.
The continuity of a fire separation where it abuts against another fire separation, a floor, a ceiling or an exterior wall assembly is maintained by filling all openings at the juncture of the assemblies with a material that will ensure the integrity of the fire separation at that location. |
Canadian curtain wall manufacturers use metal backpans CAN/ULC-S115-R2016 does not recognize, and is not intended to test, perimeter joint systems between a fire rated floor and a non-fire rated exterior wall CAN/ULC-S115-18 now includes direct reference to ASTM E2307. Image Source: G. Chen & F. Victor, Curtain Wall Firestop: Review of Code Requirement and Design Issues, October 2012, http://ghl.ca/wp-content/uploads/shared/2012F_-_Curtain%20Wall%20Firestop.pdf
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[4] 4) Except as provided in Sentence (5)-2020, [6] --) Joints located in a horizontal plane between the floor and exterior wall shall be sealed by a fire stop that, when subjected to the fire test method in ASTM E 2307 "Determining Fire Resistance of Perimeter Fire Barrier System Using Intermediate Scale, Multi-Storey Test Apparatus," has an F rating not less than the fire-resistance rating of the horizontal fire separation. (See Note A-3.1.8.3.(4).) |
CCR = Code Change Request
SC = Standing Committee PR = Public Review CCBFC = Canadian Commission on Buildings and Fire Codes |