3206: Micro-Grooved Polyurethane Sandwich

Polyurethane Insulated Sandwich, 28 gauge

Designed to enhance appearances in a variety of applications, this insulated commercial garage door will complement the look of an array of commercial applications.


The Model 3206 has four evenly spaced micro-grooves that run horizontally across each section and incorporates a tongue-and-groove joint between each section that gives the door an even, symmetrical appearance. The durability and insulating value of this double-sided, polyurethane, core-insulated steel door combined with its feature-rich design options, makes this door a popular complement for many building designs.

Section Construction
  • 1.5" Thick Sections
  • 28 gauge commercial quality steel
  • Polyurethane Insulation - R-Value 13.68
  • Four evenly spaced micro-grooves run horizontally across each section
  • Thermally-broken to eliminate thermal conduction
  • Max standard size 18’2” wide x 16’ high
Colors / Appearance
  • White
  • Various accessories and options available.

Warranty >>


  • Features four evenly spaced micro-grooves that run horizontally across each section
  • 28-gauge commercial quality steel
  • Tongue-and-Groove section joints
  • Concealed steel back-up plates run from top to bottom of each section for secure hardware attachment
  • White painted end stiles
  • Bottom "U" type astragal is a standard feature


  • Foamed in place CFC free polyurethane core
  • R value 13.68
Microgrooved Steel Closeup
28-gauge steel with horizontal micro-grooves
  • Max width 18’2” x 16’ high

Colors / Finish:

Panel Configurations:
  • 18", 21" or 24" high by width of door


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 >>

Normal Headroom / Standard Lift Image
Low Headroom: Front Mount View >>

Low Headroom Image
Low Headroom: Rear Mount View >>

Low Headroom Image
Vertical Lift View >>

Vertical Lift Image
High Lift View >>

High Lift Image
Incline View >>

Incline Lift Image
Mounting Options:
  • Bracket Mount (leg out), Clip Angle Track, Continuous Angle Track
Bracket Mount View >>

Bracket Mount Image

Clip Angle Track View >>

Clip Mount Image

Continuous Angle Track View >>

Continuous Mount Image

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

Reverse Angle Mount Image
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


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 Image
Above, Torsion/Spring Assembly with Four Spring Layout, Standard Headroom

  • Manual Operation
  • Motor Operation: Trolley or Jackshaft
  • Chain Hoist Operation
Jackshaft Image
Jackshaft Operation
Trolley Operation Image
Trolley Operation


  • 14-gauge hinges, as specified
Double End Hinges

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

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

Single or Double Edge Endstiles:

Double Hinge Endstiles


Optional Lites / Windows
  • 24" x 6" or 24" x 12" lites with 1" insulated glass (Clear, Tempered or Tinted)

24 24x12
24" x 12" (shown is 24" section height)
24 24x6
24" x 6" (shown is 24" section height)

Optional Accessories

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

Header & Jamb Seals

Seal the perimeter of the opening to provide additional air infiltration and thermal protection.

Top Seal