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1hr rated

  1. J

    Existing Demising Wall - 1HR Rated

    Hi all. I am working on a commercial TI project (dental office). There is a medical gas closet that is located on a demising wall (we don't know if exist assembly is fully compliant). Anyway, med gas closet walls are required to be 1-HR rated. Any thoughts on what can be done to the demising...
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