Hollow Metal Type (24 & 25 gauge)(Steel-Faced)(Foam-Filled), Swinging Flush or Embossed Design Fire Door for installation in single swing 20 minute locations without hose stream.
Limitations
Unit, Mortise, or Cylindrical Latches with up to a 5" backset/Deadbolts
For installation in steel or wood frames.
Maximum Size
Singles - 3'0" wide x 7'0" high OR 3'6" wide x 6'8" high
All assemblies are identified by a label or marking bearing the wording, "Listed (Product)", a time interval, temperature rise (if applicable), a serial number and the WHI Certification Mark.
(Unless otherwise specified, all Fire Doors have a nominal thickness of 1-3/4")
