Therma Tru 20 Min (without hose) Steel Fire Door NP Model 20NPSFD
Company: Therma Tru Corporation
Hollow Metal Type (24, 26 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.
Maximum Size of Openings
Singles Swing
3' 0" wide x 7' 0" high
3' 6" wide x 6' 8" high
Testing Standard
UBC 43-2
NFPA 252
UL 10B
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".)