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.

The floor door can be installed in new construction or retrofitted in concrete, or wood framing options. Previously product series – FD1, FFD2, FFD3

Floor Door Product Details

• Frame Material:12 ga galvannealed steel, with ash gray primer
• Door Material: 1/4″ Aluminum tread plate with mill finish and 14 gauge galvanneal steel frame and liner with ash gray primer
• Insulation: High-temperature ceramic fiber insulation
• Hinge: Continuous stainless steel hinge
• Latch: Stainless steel slam latch operated by a stainless steel recessed turn handle topside
• Spring/Cylinder: 316 stainless steel gas spring cylinders
• Self-Closing Mechanism: 165 degrees Fahrenheit fusible link melts during fire automatically closing the door without warning my releasing gas in cylinders. Not available on sizes larger than 42″ x 60″
• Installation Kit: Includes anchor straps for installing into concrete and screws for wood frame installations
• Live load: 150 lbs/sq ft
• Sizes:
  • Minimum Size: 26″ x 24″
  • Maximum Size 1 and 2 Hour: 64″ x 60″
  • Maximum Size 3 Hours: 42″ x 60″ or 48″ x 48″
• Clear Opening:
  • Size width  up to 30″: Width minus 12″  x Length
  • Size width over 30″: Width minus 8.25″ x Length
• Fire-Rating: QAI (QAI Laboratories) listed and labeled to NFPA-288 for 1, 2, and 3 hours for horizontal Fire door assemblies Testing Standards: NFPA 288.

Floor Door Additional Options 

• Wood Frame Installation: 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 tread, 1/4″ aluminum smooth plate, 3/16″ steel tread plate, 3/16″ steel smooth plate, recessed aluminum smooth plate for VCT tile or carpet (not all options may be available on all models)
• Locking or Latching Options:
  • Recessed Stainless Steel Turn Handle Topside (standard)
  • Detention Lock showing Topside Lock and Key
  • Detention  lock showing underside operable knob
  • Padlock Hasp Underside
  • 316 Stainless Steel Slam Latch with Topside Removable Tood and Underside Spoon Handle
• Finish: Bituminous Coating
• Painted Lettering: The door panel is painted in optional yellow with “FIRE DOOR DO NOT STORE MATERIALS/EQUIPMENT ON SURFACE” in black lettering.

Contact us for more information on custom sizes and additional locking information.