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Manufacturer JL Industries
SKU: FHD1-2-3

FFD Series Fire Rated Floor Door

Fire Rated Floor Door

JL Industries, one-hour, two-hour, or three-hour fire-rated floor hatches, control the transmission of heat, hot gasses, and flames when installed in a fire-rated floor-ceiling assembly with a maximum temperature of 250° (F) for the specified rating period. 

Floor Door Product Details

  • Exterior Frame:12 ga galvannealed steel, supplied with stainless steel anchor straps with heat-resistant rope fiber gasket.
  • Door Frame: 14 ga. galvannealed steel.
  • Door Panel:
  • FFD1 & FFD2: 3/16" steel diamond plate exterior with 12 ga gavlanneled steel stiffner channels
  • FFD3: 1/4" aluminum diamond plate exterior with 12 ga stiffener channels
  • Door Frame Finish: Gray Primer
  • Door Frame Finish:
  • FFD1 & FFD2: Gray Primer
  • FFD3: Bituminous Coating
  • Concrete Install Outer Frame Finish (FFD1 & FFD2): Bituminous coating
  • Outer Frame Finish (FFD3): 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:
  • FFD1 & FFD2: Continuous stainless steel piano hinge
  • FFD3: Heavy duty continuous zinc plated steel hinge with brass pin

Available Options:

Wood Frame Installation (FFD1 & FFD2): Supplied with fasteners, drivers and high temperature sealer, outer steel frame prime coated (no anchor straps, no bituminous coating)

Door Panel Options: 1/4" aluminum diamond plate, 1/4" aluminum smooth plate, 1-4" steel diamond plate, 3/16" steel smooth plate, recessed aluminum smooth plate for 3/16" VCT tile or carpet (not all options may be available on all models)

Self Closing Mechanism: 165°F fusible link melts during fire automatically closing door without warning by releasing gas in cylinders.  This option is not retrofittable, and is not available for FFD3 sizes 42" x 42" and larger.

Latch: Hand operated stainless steel recessed turn handle or Recessed stainless steel turn handle with detention lock underside, or Detention lock topside with operable knob underside, or Padlock hasp on underside


Inside Dimensions (W x L) FHD1R FHD2R FHD3R
24" x 24"
24" x 36"
30" x 30"
30" x 36"
30" x 48"
36" x 30"
36" x 36"
36" x 48"
42" x 42"
42" x 54"
64" x 60"


Other Sizes Available - Please Order By Rough Opening Size

FFD1 & FFD2 Minimum size 16" x 16", maximum size 42" x 54"

FFD3 Minimum size 30" x 24", Maximum Size 64" x 60"

MX-FHD Access Door: Fire Rated Floor Hatches

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