18'' (457.2mm) x 18'' (457.2mm), U-Series, Un-Insulated Fire Rated Access Door for Walls Only w/Drywall Bead Flange & Flush Key/Knurled Knob Latch
Fire Rated access doors approved for use in wall applications only. Wall Rating: U.L. 1-1/2 hour B label. Uninsulated doors should be used in wall conditions where temperature rise or heat transmission is not a factor.
Specifications
Rough Opening: 18-1/4 x 18-1/4
Frame: 16 gauge cold rolled steel
Door: 14 gauge cold rolled steel
Flange Types: B-UT & B-ST: 1" wide
Hinge: Flush continuous piano hinge
Latch: Flush key/knurled knob latch (standard on B-UT). Mortise Cylinder Prep (Standard on B-ST)
Insulation: B-UT: none
Insulation: B-ST: 2" thick fire rated mineral fiber
Finish: Prime Powder Coat
No. of Latches: 1
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