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Architect Resource Center

Model 5150-5200

Sectional Steel Doors

​ThermoMark™ Models 5150 and 5200 combine strength, insulation, and aesthetic appeal. These doors are manufactured using our patented, continuous foamed-in-place technology, in which the polyurethane core is securely bonded to hot-dipped galvanized inner and outer skins.

  • Polyurethane insulation, R-values* = 12.12 (5150) and 16.22 (5200)
  • Max width: 26’2”
  • 1-3/8” section thickness (5150) and 1-7/8" (5200)
  • Six panel designs with a variety of colors and three bi-directional wood grain finishes; also available with TruChoice™ Color System​

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