Williams Brothers Corporation of America Defining Quality One Access Door at a Time

Toll Free: 800-255-5515

Toll Free: 800-255-5515

WB FR-C 800 Series Fire-Rated Ceiling Access Door

This fire-rated door can be used wherever it is necessary to provide service access to shafts and any other location which must have a fire rating. Approved ceiling use.

Construction Specifications:

Door: 16 Gauge steel 
Trim: 16 Gauge steel6
Finish: Primed baked enamel, paintable surface
Latches: Knurled knob lock w/1 Flush key
Hinge: Fully concealed, pivot rod type hinge. Allows opening to 140°
Insulation:2” thick mineral wool (ROXUL) in between two pieces of 22 ga. steel
Ceiling Installation: To comply with current fire regulations, largest size acceptable is 24” x 48”
Application: Ceilings

OPTIONS
Finishes:
• Stainless Steel Type 304 - No. 4 satin finish brushed
• Stainless Steel Type 316 - No. 4 satin finish brushed
Other Options:
• Mortise Best Lock - or locks by others
• **Hot Smoke Seal gasketing all 4 sides (fire and smoke tested)
• Special Sizes - available on request

Fire-rated access door for ceiling installation for 1 hr only.

This fire-rated door can be used wherever it is necessary to provide service access to shafts and any other location which must have a fire rating. Approved ceiling use.

 

NOTE: For fire-rated ceiling access doors, on size 16” x 16” and larger, extra spring supplied with door must be attached from back of door pan to framing or floor above. In horizontal (ceiling) applications door has self-assisted closing.


Model No. Door Size Wall Opening Slam Catch Shipping Wt Lbs.
FR-C 800 22 x 42 22-1/4 x 42-1/4 2 54
FR-C 800 22 x 44 22-1/4 x 44-1/4 2 65
FR-C 800 24 x 40 24-1/4 x 40-1/4 2 54
FR-C 800 24 x 48 24-1/4 x 48-1/4 2 62

** Hot Smoke Seal™ fire tested: Listed to meet the requirements of standards UL10B, UL10C, UBC 7-2, Part 1 and BS476: 1987 for application to fire rated door assemblies. Tested for smoke controlled assemblies: Listed to meet the requirements of standards UL1784, NFPA 105, UBC 7-2, Part 2, and BS476:Part 31, Section 31.1:1983.

It also is a chemically inert, highly stable, expandable graphite strip, tested and proven in positive pressure conditions to withstand both hot smoke and hot gasses, resulting in the longer integrity of a door assembly. More economical to use than specially modified doors in “tested assembly only” classifications. Chemically inert, and therefore will not degrade from carbon dioxide and ozone like the many intumescents being offered by other manufacturers.

Hot Smoke Seal™ is not affected by moisture and will not break down like fiber or cellulose based products and does not require periodic after market field inspections.

Insulation ProRox® SL 960 is a rigid mineral wool (stone wool) insulation board for high temperature industrial applications subject to light mechanical loads.] - 2” thickness.

Williams Brothers Corporation
Corporate Office
1330 Progress Drive
Front Royal, Virginia 22630

Western Distribution Center
Reno Nevada 

Toll Free Phone 800 255-5515
Phone 540 636-4444
Toll Free Fax 800 822-5001
Fax 540 636-4455

Toll Free Phone 800 255-5515
Phone 540 636-4444
Toll Free Fax 800 822-5001
Fax 540 636-4455

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