Wayne Dalton Model: Thermomark 5150 Insulated Sectional Steel Door

Strength, Insulation and Aesthetic Appeal

Key Product Features:

  • Polyurethane insulation, R-Value*=12.12
  • Max Width 20’2”
  • 1-3/8”” Section Thickness
  • Raised, Flush, Ranch and Sonoma panel designs
  • Variety of colors and two bi-directional wood grain finishes

The ThermoMark 5150 doors combine strength, insulation and aesthetic appeal for those 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 or flush profile in a variety of colors. Foamed-in-place polyurethane insulation helps improve thermal efficiency of a building a minimum, offering year round comfort while also helping to provide quieter door operation.

Popular in a wide variety of commercial and industrial applications, the ThermoMark 5150 offers a strong combination of characteristics, including strength, rigidity, longer life and energy efficiency at a highly competitive price.

IECC® Compliant

The ThermoMark 5150 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 5150 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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