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nfpa 80

  1. LGreene

    How do you measure bottom clearance on a fire door?

    I could really use some AHJ advice on the question I just posted on iDigHardware. In short, a fire door must have no more than 3/4-inch clearance at the bottom. How is this measured if the clearance is different on the push side and the pull side of the door because of the flooring condition...
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