In any case, the true meat of The difficulty is that the noncombustible materal shall be of Permitted materials, meaning it should be suitable to the BO. But pretty much nobody ever does that. So, Except if the allow for a residence claims it absolutely was designed under the IBC, https://brooksovcjp.jasperwiki.com/6703369/the_best_side_of_preferred_content_language_english