Ribbed Steel 3252

COMMERCIAL

3252: Insulated Ribbed Steel Doors

Polystyrene Insulation / 27 gauge with Steel Back

Whether you’re unloading trucks or moving equipment, our steel commercial overhead door products excel in high demand applications.

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OVERVIEW


Model 3252 insulated pan ribbed steel doors have a variety of features to meet your design and performance requirements. This line of rugged, heavy-duty commercial garage doors is built to withstand a high volume operation. With our insulated ribbed steel commercial doors, you can count on high performance, everyday reliability, and long lasting durability.

Section Construction:

  • 2″ thick pan sections
  • 25 gauge steel exterior / 27 gauge steel backer
  • Polystyrene Insulation – R-Value 8.0**
  • Ribbed Panel Profile (2 horizontal ribs with alternating “v” grooves)

Size:

  • Max standard size 20’2″ wide x 16′ high

Colors/Appearance:

  • White
  • Various accessories and options available

**R-Values have been calculated in accordance with ASTM C518 standards

SECTIONS


SECTION CONSTRUCTION:

  • Roll-formed sections are 25-gauge 2″ thick, hot-dipped galvanized with a baked-on polyester finish
  • Box shaped stiles are riveted to the face of the section and are galvanized for additional corrosion protection
  • Tongue and groove meeting rails provide superior rail strength and weather resistance
  • Panel Profile: 2 horizontal ribs with alternating “V” grooves

Insulation

  • 1-1/2” thick CFC free polystyrene
  • Vinyl inside cover laminated to polystyrene
  • R value 8.00 (R-value Testing is in accordance with ASTM C518 standards)
    • closeup-ribbed-steel
      20-gauge ribbed steel panel
      Ribbed Insulation Detail

      Ribbed Insulation Detail

      Polystyrene Insulation with
      Vinyl Backer

      11-section-joints
      Tongue & Groove meeting rails
      seal out the elements
      12-stiles
      Box-shaped stiles provide added
      rigidity and section strength

      MAXIMUM STANDARD SIZE:

      • Max width 24’2” x 16’ high (Contact Factory for larger sizes)

    Colors / Finish:

    front-exterior-color-white2
    White
    2powercoat-color-sheet
    Optional Colors include RAL powder-coat in 188

    Panel Configurations:

    • 21″ or 24″ high by width of door
model-3252-panel-config-1

model-3252-panel-config-2

TRACK


Track Configuration:

  • Tracks are 2′ or 3′, as specified
  • 12″ radius, 15″ radius
  • Normal Headroom, Low Headroom, Vertical Lift, High Lift, Incline
  • 20″ & 32″ radius (2″ track & up to 10′ high doors only)

Normal Headroom / Standard Lift View>>

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Low Headroom: Front Mount View>>

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Low Headroom: Rear Mount View>>

chi-track-options-low-headroom-rear

Vertical Lift View>>

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High Lift View>>

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Incline View>>

incline-lift

Mounting Options:

  • Bracket Mount (leg out), Clip Angle Track, Continuous Angle Track

Bracket Mount View>>

chi-track-options-bracket-mount

Clip Angle Track View>>

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Continuous Angle Track View>>

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Reverse Angle Mount View>>
Available for Clip Angle & Continuous Angle Track

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Track Gauge:

  • 2″ Tracks – up to 8′-0″ high = 17 gauge roll-formed galvanized steel
  • 2″ Tracks – 8′-0″ 10′-0″ = 16 gauge
  • 2″ Tracks – over 10′-0″ = 14 gauge
  • 3″ Tracks – 12 gauge

HARDWARE


Hinges:

11-gauge or 14-gauge hinges, as specified

double-end-hinges

Rollers:

  • 2″ or 3″ long-stem or short-stem steel ball bearings rollers

2-inch, 3-inch Steel Rollers

Brackets:

  • Top fixtures (min. 12 gauge)
  • Bottom fixtures (min. 13 gauge)

bottom-fixture

Single or Double Edge Endstiles:

double-hinge-end-stiles

OPERATION


Counterbalance System (Springs)

  • Oil tempered torsion springs are mounted on a cross-header shaft supported by galvanized steel ball breaking end plates and center bracket(s)
  • Springs are calculated for exact door weight, size and trajectory in accordance with ANSI 102 standards for a minimum of 10,000 cycles
    NOTE: May be specified for higher cycles when available
  • Counterbalance is transferred through galvanized aircraft quality cables secured to bottom of the door
    torsion-spring-assembly
    Above, Torsion/Spring Assembly with Four Spring Layout, Standard Headroom

    com-springs

    Operation:

    • Manual Operation
    • Motor Operation: Trolley or Jackshaft
    • Chain Hoist Operation
    jackshaft
    Jackshaft Operation
    trolley-operation
Trolley Operation

LITES


Optional Lites / Windows

  • 24″ x 6″, 24″ x 12″, or 34″x 16″ lites with 1″ insulated glass (Clear, Tempered or Tinted)
  • Optional Aluminum Full View Frame to match size and panel layout of steel section
    (Optional open for field glazing, 1/8″ DSB, 1/8″ polycarbonate, 1/8″ tempered glass, 1/4″ tempered glass, 1/2″ insulated glass or 1/2″ tempered insulated)
  • Special glass options available. Contact factory for details.
    24-x-12
    24″ x 12″ (shown is 24″ section height)
    24-x-6-3206
    24″ x 6″ (shown is 24″ section height)
    34-16
    34″ x 16″ (shown is 24″ section height)
    full-aluminum

OPTIONAL ACCESSORIES


Doors are available with a variety of Specialty Options for specific installation needs. Contact Factory for additional options.

Swing-Up Sectional PostA perfect answer for openings that are too large for a single overhead door that must accommodate large machinery or equipment on an infrequent basis. Operating on a single pivot point that is designed to swing left or right, it allows the use of one (1) smaller door for everyday requirements and the full opening when needed. See video.

swing-up-sectional-post

Pass Doors Whether it’s for convenience or necessity, there are circumstances where a pass-through door is requested to provide ingress and egress in an overhead door enclosed opening without having to open the overhead door. C.H.I. can accommodate this need with a state-of-the-art design pass-door option. Available in our urethane core models 3216 and 3212, it’s the ideal choice to solve this need.

pass-door-closed pass-door-open

Header & Jamb Seals Seal the perimeter of the opening to provide additional air infiltration and thermal protection.

overhead-door-top-seal

Header & Jamb Seals Seal the perimeter of the opening to provide additional air infiltration and thermal protection.

CERTIFIED WINDLOAD


Wind can be unpredictable and destructive. This is why C.H.I. Windbreaker Series and iSeries doors are designed, tested, and built to the most rugged specifications. Wind chamber tested to ensure windload resistance, these extra-sturdy designs provide enhanced defense against the elements.

C.H.I. Overhead Doors developed the resilient Windbreaker Series garage doors to protect against high wind conditions. The super-resilient C.H.I. iSeries Impact Approved doors have strength designed to withstand direct collision of projectiles and other windborne debris at high speeds.

chi-impact2-clr-outlines windbreaker-logo

Additional Windload Information:
Navigating the complex windload codes and compliances can be a daunting task. C.H.I. sales associated and distributors are able to help you understand the specific codes governing your geographic area. For additional information, these websites offer a great deal of information.

dasma-logo

Technical Data Sheets:

  • TDS #168 – Wind Loads on Garage Doors – FAQ
  • TDS #177 – Application of Kd Factor To Garage Door Wind Load Determination Using ASCE 7
  • TDS #178 -Garage Door Wind Load Determination – Effective Wind Area
  • TDS #180 – Wind Load Ratings for Non-Tested Garage Door and Rolling Door Sizes
  • TDS #181 -General Code Inspection Guidelines For Wind Load Rated Garage Doorsflorida-building-code tdi-logo
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