Q&A – Do pairs of fire doors require astragals?

NFPA 80 - Standard for Fire Doors & Other Opening Protectives no longer includes a prescriptive requirement for certain pairs of fire doors to have astragals. In the 1999 edition of this standard (and prior editions), an overlapping astragal was required for pairs of doors rated for more than 1 1/2 hours. In the 2007 edition, the requirement for an overlapping astragal was removed, and the use of the astragal is dependent on the manufacturer's listing procedures...

By |2021-07-05T16:36:32-04:00December 7th, 2015|Fire Doors, Q&A|10 Comments
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