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Key Product Features

  • Max Width: 20’2” (5155) and 26'2" (5255)
  • Max Height: 20’1”
  • 27-gauge exterior steel
  • Polyurethane insulation, R-value*=12.12 (5155) and 16.22 (5255)
  • 1-3/8” (5155) and 1-7/8" (5255) section thickness
  • Continuous steel strips for hinge attachment
  • Stucco embossed exterior with pinstripes

*Wayne Dalton uses a calculated door section R-value for insulated doors.

Model Comparison Chart


​Model 5155

3-layer construction: Steel/Insulation/Steel 1-3/8" thick steel panels​






10-Year Limited​​

​Model 5255

3-layer construction: Steel/Insulation/Steel 1-7/8" thick steel panels​






10-Year Limited​

Door Construction

door construction chart
  1. Stucco steel back panels for aesthetics and easy cleaning
  2. Hot-dipped, galvanized steel wrap-around end caps add strength, rigidity and long life
  3. CFC- and HCFC-free polyurethane foamed-in-place insulation
  4. Sound absorbing insulation makes door quieter in operation; reduces wind rattling
  5. Two-coat, baked-on polyester finish makes surface virtually maintenance free
  6. Bulb-shaped bottom seal remains flexible even in extreme cold to help keep the bad weather outside.

IECC® Compliant

The ThermoMark™ 5155 and 5255 meet IECC® requirements for maximum U-factor of operable fenestrations (2015 Section C402.4) with a 3rd party certified tested value of less than 0.37. ThermoMark™ 5155 and 5255 also meet the ASHRAE 90.1 and IECC® requirement for maximum air leakage for fenestration assemblies (2015 Section C402.5.2 Garage doors) with a 3rd party certified tested value of less than 0.40.

Door Options

Lite Options

    • Vision Lites
      Vision Lites

    • Full View Lites
      Full-View Lites

Insulated Vision Lites allow for visibility while maintaining security. Full-view sections allow for maximum natural light and visibility

Options & Accessories

  • Chain hoist operation
  • Motor operation
  • High cycle springs (25k, 50k, 100k)
  • 3” track
  • Solid shafts
  • Perimeter weatherseal
  • Broken cable devices
  • Sensing edges
  • Photo eyes
  • Special track designs
  • Mullions

Impact Panel

Wayne Dalton’s optional Impact Section replaces the traditional bottom section on doors exposed to damage from forklifts and other warehouse traffic.

  • Reduces downtime and costly repairs
  • Impact-Resistant composite skins surround an expanded polystyrene core
  • Fully  adaptable to multiple door thicknesses with hinge and section adapters to provide a superior fit
  • Available for 21" and 24" sections
  • Available from 8’2” to 16’2” wide in one-foot increments
Color Options
  • white sectional steel door
    White Stucco
  • almond sectional steel door
    Almond Stucco
  • taupe sectional steel door
    Taupe Stucco
  • brown sectional steel door
    Brown Stucco

Custom Color

These models are available with the TruChoice™ Color System, Wayne Dalton’s custom painting process that offers more than 6,000+ colors.

true choice colors 

Online color swatches are only digital reproductions of actual standards and will vary in appearance due to differences in monitor and video card output. These digital representations should not be used to finalize color selection(s). Please contact your local Wayne Dalton Dealer for actual color samples to match with your home or business.

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