FHD2R – Two hour fire rating

MAXAMs Model FHD2R, two hour fire rated floor door, controls the transmission of heat and flames when installed in a fire-rated floor-ceiling assembly with a maximum temperature rise of 250 degrees Fahrenheit (121.1 degrees Celsius) for the specified rating period.

Frame Material: 12 gauge (2.75 mm) galvanneal steel with ash gray primer
Door Material: 1/4″ (6.35 mm) Aluminum tread plate with mill finish and 14 gauge (1.99mm) 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 (74 degrees Celsius) fusible link melts during fire automatically closing door without warning by releasing gas in cylinders. Not available on sizes larger than 42″ (1067 mm) x 60″ (1524 mm).
Installation Kit: Includes anchor straps for installing into concrete and screws for wood frame installations
Live Load: 150 lbs/sq ft (700 kg/sq metre)
Sizes:
   Minimum: 26″ x 24″ (660 mm 610 mm)
   Maximum: 64″ x 60″ (1626 mm x 1524 mm)
  
Clear Opening: Size width up to 30″: Width minus 12″ (305 mm) x Length
Size width over 30″: Width minus 8.25″ (210 mm) x Length
FIRE-RATING:
QAI (QAI Laboratories) listed and labeled to NFPA-288 for 2, hour for horizontal fire door assemblies Testing Standards: NFPA 288

Optional Features: Latches and locks, door material – see submittal for details.