Western Door Manufacturing Ltd.
Windows & Doors Listing Program
- Western Door Manufacturing Ltd.
- Fire Door Frames
- Surrey, BC
- F456-2 Edition 2
- July 9, 2020
- October 10, 2023
CAN/ULC-S104 Standard Method for Fire Tests of Door Assemblies
UL 10B Standard for Fire Tests of Door Assemblies
20 Minute Fire-Resistance Rated Fire Door Frames
20-MINUTE NEUTRAL PRESSURE RATED CATEGORY C WOOD FIRE DOOR FRAMES
Swing Type: Maximum Dimensions Width: Height: Single Swing 3’6” (1067 mm) 8’0” (2438 mm) Pairs / Double Egress Not Permitted
Minimum Frame Depth: 4-9/16” (116 mm)
Maximum Frame Depth: Equivalent to wall thickness
Minimum Frame Leg Thickness: 1-1/4’’ (32 mm)
Minimum Rabbet for Door: 1-3/4″ [-1/16”] (44 mm [-1.6 mm])
Minimum Stop Height: 5/8’’ (16 mm)
Minimum Stop Width: 2-7/8’’ (62 mm)
Veneer: 2.5 mm or greater
Hardwood Facings: Permitted.
Electric Raceway: Not permitted.
Door Closers: Surface mounted: Permitted.
Mortised: Not permitted.
• Fastened through the frame legs with #8 x 3” (76 mm) length screws spaced at 24” (610 mm) on center around frame.
• Hinge and latch locations each use two #12 x 3-1/2” (89 mm) screws that pass through the frame and into the wall framing.
• Gaps are required to be sealed with silicone sealant prior to placement of casing.
• Casing to be anchored with finishing nails at minimum 18’’ on center spacing.
Refer to QAI evaluation report F456-2 and the applicable test reports for test assembly configurations used for fire endurance testing.
Refer to the QAI FD002 – Fire Door Guidelines for general guidelines of fire door assemblies
Final acceptance of the product in the intended application is to be determined by the authority having jurisdiction (AHJ).
Product is to be installed in accordance with the manufacturer’s published installation instructions by qualified installing personnel.
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