The ontario building code | wood roof trusses 9.23.13.11. wood roof trusses (1) roof trusses that are not designed in accordance with part 4 shall, (a) be capable of supporting a total ceiling load (dead load plus live load) of 0.35 kpa plus two and two-thirds times the specified live roof load for 24 h, and. Building codes. for your convenience, we have included links to several building code and association sites. if you have any questions, please call us.. It is the decision of the building code commission that the protection of penetrations of the 1 hr fire separation by wood trusses provides sufficiency of compliance with 9.10.9.14.(3) of the building code..
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