Wood Door Frame (Veneer Wrapped) (Particle Board or MDF) (Knock-Down) for installation in 20 minute positive pressure locations without hose stream in steel/wood stud drywall or masonry openings.
Maximum Size of Openings
Single Swing: 4'0" Wide x 9'0" High
Standard Pair: 8'0" Wide x 9'0" High
Minimum Wall Thickness: 2-1/2"
Please note Manufacturer's intumescent requirements.
Evaluated to the following...
Unless otherwise noted, assemblies in this section have been tested to the following standards:
NFPA-252, Standard Methods of Fire Tests of Door Assemblies;
UL-10(c), Fire Tests of Door Assemblies;
and are installed, unless otherwise noted, in accordance with the following:
NFPA-80, Fire Doors & Windows.
Manufacturer's Instructions.
All frames are identified by either a label or embossed marking bearing the wording "Listed (Product)" and the WHI Certification Mark. Frames rated for less than 3 hours also bear the time interval.
