Williams Brothers Corporation of America Defining Quality One Access Door at a Time 
Toll Free: 800-255-5515
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Williams Brothers Corporation of America Defining Quality One Access Door at a Time
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The WB FD-8500 Fire Rated floor door has flush diamond plate cover for utility and general purpose applications. In subways, skyscrapers and everything in between, the WB FD incorporates the latest fire-resistant technology to protect floors above from fire below. Independently tested to NFPA 288 (ASTM E 119).
Cover: 1/4" Aluminum diamond plate reinforced for 150 psf [732 kg/m2] live load, fitted with thermal-rated composite fire
panel
Frame: Thermal-break frame with aluminum upper frame and stainless steel lower frame.
Finish: Cover and frame are mill finish aluminum. Hardware is stainless steel
Latch: Two-point slam latch
Hinge: Type 316 stainless steel
Spring Actuators: Stainless steel compression springs contained within the door assembly.
Automatic Hold-open and Closing Mechanism: Stainless steel hold-open arm to automatically hold the cover in the 90°
position. Hold-open arm incorporates a mechanism to automatically close and latch the cover when heat breaks a UL-listed 165° F fusible
link
Installation: Door is designed for installation in dry, interior locations only. Installation shall be in accordance
with the manufacturer’s instructions
Fire Rated: Warnock Hersey tested to 2 hours rating, tested to NFPA 288 (ASTM E119)
OPTIONS:
• Special Sizes - available on request
Click on CAD File icon below to access CAD drawings plus 3D and BIM models. (Note: Requires one-time registration at www.caddetails.com)
| Model No. | Door Size | Material | Shipping Wt Lbs. | CAD Files |
| FD-8500 | 24 x 24 | Aluminum | 36 |
|
| FD-8500 | 24 x 36 | Aluminum | 63 |
|
| FD-8500 | 24 x 48 | Aluminum | 73 |
|
| FD-8500 | 30 x 30 | Aluminum | 59 |
|
| FD-8500 | 30 x 36 | Aluminum | 73 |
|
| FD-8500 | 36 x 36 | Aluminum | 86 |
|
| FD-8500 | 36 x 48 | Aluminum | 109 |
|
| FD-8500 | 42 x 42 | Aluminum | 113 |
|
| FD-8500 | 48 x 48 | Aluminum | 127 |
|
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
WBCA Group Companies: Strike First Corporation Of America | AG Laser Technology | Safety 1 Industries
Submittal Sheet
CAD Drawings