My question: Is it okay to add resilient metal channels to assemblies in the Part 9 Tables if not shown? What about tested assemblies?
I am dealing with a system that is used to protect storage tanks at one of our industrial facilities, this system is an outdoor deluge
NBC 2015 Div B-9.8.9.5. Treads 1) Stair treads of lumber, plywood or O-2 grade OSB within dwelling units shall be not less than 25 mm
My question is: Is there ever a time that access needs to be provided around an entire building?
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One Response
Hi
My thoughts are that it is “OK” to add them, but the assembly should then be calculated through Appendix D (which generally assigns a reduction in FRR of 10mins). Alternatively, find a suitable assembly with resilient channel included.
My understanding is that tested assemblies are product and manufacturer specific. So, no.
There is a related question here; https://kilolimacode.com/party-walls-and-appendix-d/