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Cendrex Fire Rated Insulated PFI -48 x 48
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Cendrex Fire Rated Insulated Access Door with Flange - 48 X 48

Cendrex
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Product Code: PFI-4848-PS
Usually Ships in 24 Hours
*Wall Opening is +3/8" (9mm)
For detailed specification see submittal sheet


The PFI access door is insulated with 2" thick mineral wool and can be used on fire rated walls and ceilings. It comes with a 1" flange for an easy flush installation on any type of surface. As per UL and NFPA standards, once the installation is complete and the provided springs are hooked to the back of the panel, the door will be self closing and self locking. The largest fire rated PFI doors available for vertical and horizontal installations with temperature rise are respectively: (48 x 48) and (24 x 36).
  • Material

    20-gauge galvanneal steel door and 16-gauge cold rolled steel frame

  • Hinge

    Continuous piano hinge. Hinge location: Hinges must be located on the second dimension (height).

  • Locking mechanism

    Self-latching tool-key operated slam latch and ring operated slam latch, both included.

  • Flange

    1" exposed flange

  • Frame

    2 1/2" in depth, made of cold rolled steel

  • Rough opening

    Door sizes +1/4 or + 6mm

  • Insulation

    2" thick fire rated mineral wool

  • Inside panel release

    Mechanisms to allow panels to open from inside, standard on all doors over 12" X 12" .

  • Finish

    High quality white powder coat primer.

  • Packaging

    Individually wrapped, 1 door per box.

  • Fire rated access doors, for vertical use, are subject to the following:
    • Vertical wall assemblies

      Fire rated access doors, for vertical use, are subject to the following:

    • Certification

      UL 10B (2009), NFPA 252 (2012), CAN/ULC S104 (R1985), CAN/ULC S104 (2010).

    • Rating Achieved

      3 hours, neutral/negative pressure

    • Maximum size

      48" x 48" (1219mm x 1219mm), maximum area of 2304" squared, tolerance on height and width limitation is more or less 3" (76mm) as long as the area does not exceed 2304 in squared.

    • Temperature rise

      250°F (121°C) after 30 minutes and 450°F (232°C) after 60 minutes.

  • Fire rated access doors, for horizontal use, are subject to the following:
    • Horizontal ceiling assemblies

      Fire rated access doors, for horizontal use, are subject to the following:

    • Certification

      ASTM E119 (2012), CAN/ULC S101 (2007)

    • Rating Achieved

      3 hours in non-combustible construction and 1 hour in combustible construction

    • Maximum size

      24"X36" (610 mm X 914 mm) (hinges and latches on the side of 36"), tolerance on dimension limitations are more or less 3" (76 mm) as long as the area does not exceed 864 in squared.

    • Temperature rise

      Within allowable per ASTM E119 and CAN/ULC S101

Dimensions (Inches)Dimensions (Millimeters)Weight (LBS)Weight (KG)Number of locks
* 8 x 8203 x 20373.21
* 10 x 10254 x 25483.61
* 12 x 12304 x 304104.51
* 14 x 14355 x 355125.41
* 16 x 16406 x 406146.41
* 18 x 18457 x 457177.71
* 22 x 22558 x 558209.11
* 22 x 30558 x 7623013.61
* 22 x 36558 x 9143415.52
* 24 x 24609 x 6092812.71
* 24 x 36609 x 9143616.42
* 24 x 48609 x 12194821.82
* 30 x 30762 x 7624018.1 1
* 32 x 32812 x 8124319.52
* 36 x 36914 x 9145022.72
* 48 x 481219 x 12198337.72
* If door size exceeds 24" X 36", the latter is not fire-rated for ceiling installation. All dimensions are written in the following order: Width X Height

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