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What is NYC BC § 716.6.6?

Quick Answer

This section mandates that metal mullions exceeding a nominal height of 12 feet must be protected with materials that provide a fire-resistance rating equivalent to that required for the wall construction. Applies to building owners responsible for fire safety compliance in their structures.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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716.6.6 Window mullions.

BC § 716.6.6

Metal mullions that exceed a nominal height of 12 feet (3658 mm) shall be protected with materials to afford the same fire-resistance rating as required for the wall construction in which the protective is located.

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