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The Largest Two-Hour Ceiling Door Available on the Market, Offering Unprecedented Flexibility in Designing.  Double Leaf Reduces the Swing Radius and Clears Objects Which Interfere with the Opening of the Door.


Materials: Satin finish galvannealed steel or 304 stainless steel

Frame: 16 ga., up to and including 30” x 48”. Larger sizes are 14 ga. Removable center mullion. Frame Depth 2 1/4” (57 mm). 

Flange: 7/8” (22 mm) up to and including 36” x 36”. Larger sizes are 1-1/4” (32mm).

Door Panel: 18 ga. panel with 22 ga liner.

Insulation: The door panel contains 1 1/2” of high temperature insulation material.

Finishes: Rust-inhibitive off-white prime coat or # 4 polished stainless steel finish on exterior surface.

Hinges: Concealed continuous rod hinge. 48” or longer in wall position will be a continuous piano hinge. Stainless models have a stainless steel continuous piano hinge. Hinge is the (H) dimension.

Panel Closer: The automatic panel closer will close & latch the door from an open position of approximately 90° as required by NFPA 80. 

Latch: The standard factory installed latch is a flush mount 1/4” allen key. All fire-rated locks are self-latching and include an interior latch release mechanism allowing the doors to be opened from the inside.

Sizes: Minimum size 18” x 12”. Maximum height for walls is 48” x 60”, maximum for ceilings is 60” x 48”.


Intertek Warnock Hersey Listed and Labeled: 

2 Hour Fire Rating for vertical and horizontal installation

Temp Rise Max: 139°C / 250° F at 30 Min 250° C / 450° F at 60 Min


Testing Standards:

Vertical:  NFPA 252, UL 10B, CAN/ULC S10 4 

Horizontal: UBC 43-7, CAN/ULC S112