The website iDigHardware has great resources for questions like this, and I often use it as a starting point for further research. Based on the article I link below, most manufacturers' installation instructions will include the maximum gap and sealing ...
Any gap should be fully grouted to meet the construction and rating of the rest of the wall. Upon completion, it should not have any gap at all. ------------------------------ Paul Pinigis Principal FPLS Engineering Henrico VA -------------------- ...
Dear Kevin Black I have had good and bad experiences with Fire Doors. I am more familiar with UK standards but they do not appear to be very different to NFPA and FM Global requirements. I do not know about UL standards. In ...
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