Wayne Dalton Model: Thermomark 5200 Insulated Sectional Steel Door

Insulated Sectional Steel Doors Deliver Thermal Efficiency

Key Product Features:

  • Polyurethane insulation, R-Value*=16.22
  • Max Width 26’2”
  • 1-7/8” Section Thickness
  • Raised,  Flush, Ranch and Sonoma panel designs

The ThermoMark 5200 doors combine strength, insulation and aesthetic appeal for applications that require all three features. Made of hot-dipped galvanized steel, they are designed with a wood grain finish in either a raised panel, Sonoma panel, or flush profile in a variety of colors. Foamed-in-place polyurethane insulation helps improve the thermal efficiency of a building, offering year-round comfort while also helping to provide quieter door operation.

IECC® Compliant

The ThermoMark 5200 meets 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 5200 also meets 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.


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