FFD Series - Three Hour Fire-Rated Floor Door - FFD3
JL fire rated floor doors are designed to control the transmission of heat and flames when installed in a floor-ceiling assembly with a maximum temperature rise of 250°F for the rating period.
Exterior Frame Material: 12 ga (2.75 mm) galvannealed steel, supplied with stainless steel anchor straps
Door Frame Material: 14 ga (1.99 mm) galvannealed steel
Door Panel Material: 1/4" (6.35mm) aluminum diamond plate and 14 ga (1.99 mm) mill finish aluminum door liner. 12 ga stiffener channels.
Depth: 6-½" (165 mm)
Door Frame Finish: Gray primer
Outer Frame Finish: Bituminous coating
Insulation: High temperature insulation in door
Latch: 316 Stainless steel slam latch with removable cover plug, operable from the top side by a removable tool and underside by a spoon handle.
Hinge: Heavy duty continuous zinc plated steel hinge w/brass pin
Spring: 316 Stainless steel nitrogen cylinder(s)
Live Load: 150 psf
Sizes: Minimum 30" x 24", Maximum 64" x 60"
Warnock Hersey Intertek listed and labeled to NFPA-288, ASTM E-119, CAN/ULC-S101, NFPA25, NFPA-252, UL-10B, CAN/ULC-S104
Self Closing Mechanism 165F fusible link melts during fire automatically closing door without warning by releasing gas in cylinders.Only available on sizes 36" x 54" and smaller. (SC)
300 lb/ft² live load (3C)
Latch and Handle Options
Recessed Stainless Steel Turn Handle Topside (T)
Recessed Stainless Steel Turn Handle Topside with Detention Lock Underside (D)
Padlock Hasp Underside (P)
Detention Lock Topside with Operable Knob Underside (E)
Door Panel Options
1/4” (6.35 mm) Aluminum Smooth Door (25AS)
Note: Floor Door is not to be exposed to rain or wet environments. Intended for dry location use only.