MyFloridaCode.com

I can use a little assistance.
20-minute doors in a one-hour rated assembly between a residential unit and
an interior egress corridor.  The building is sprinkled, multi-story,
non-combustible construction.
Where do I find specific information on the requirements for the door¹s
performance? Smoke and fire resistance, in particular.

I have a contractor who wants to undercut the doors 1/2² for a pressurized
a/c system to push air into the units.
Naturally, this seems stupid to me, but I need code or standard data to back
it up.

Thank you all very much.

Eric



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