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Babcock-Davis is a leader in roof hatches, smoke vents and safety railings for the commercial roofing market. We also
manufacture architectural access and safety-related building products for commercial structures. Babcock-Davis provides
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building owners, offering hassle-free services including access to technical experts, REVIT tools for BIM, HPDs for LEED v4, 3-
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©2021 Babcock-Davis
Rev 07/2021
Installation & Ope Maintenance
FIRE-RATED FLOOR DOORS
Model: BFDF
10
OPERATION
Floor doors are designed and built for years of dependable access. All floor doors come
standard with stainless steel hardware components. The basic components for door
operation include turn handle latches, compression springs, stainless steel hinges and a
locking hold open arm as detailed:
1.
Latch: Zinc-plated steel slam latch with interior rotating
handle, and exterior L-handle key
2.
Spring: Compression springs to ensure ease of opening and
closing during use.
3.
Hinge: Stainless Steel hinges
4.
Hold Open Arm: Locking hold open arm automatically
engages and locks when the door fully opens. The hold
open arm must be engaged in the locked position to ensure
that the door does not close unintentionally. Pull the
handle to unlock and safely close the door.
5.
Optional Self-Closing Mechanism: Integrated in hold open arm assembly.
(Figure 1)
Opening Fully Installed Door
Fire rated floor doors are not intended for frequent egress.
To open the floor door cover, use the slam latch L-handle key and rotate the slam latch. The
cover will un-latch and the spring will begin to lift the door. Use the lift handles to fully pull
open the door. The hold open arm engages and locks the cover in the 90-degree open
position.
Closing Fully Installed Door
To close the floor door cover, disengage the hold open arm and let door begin to close. Slam
the door slightly to ensure proper latch engagement.
Note: Units larger than 36
”
x 36
”
may be heavy and require more
than one person to safely operate.
Figure 1
