Thermacore® Insulated Doors

Overhead Door™ offers the industry’s most complete line of insulated sectional steel doors.

Thermacore® is the premier line of insulated doors available today. Thermacore® Series commercial doors are an ideal choice for buildings that require the highest levels of thermal efficiency and air infiltration.


  • Continuous foamed in place polyurethane insulation and roll-formed, hot dipped galvanized steel construction provides superior thermal efficiency, exceptional strength-to-weight ratio and proven durability.
  • Dual thermal break and joint seal between internal and external skins minimize air infiltration and provides the highest door system thermal efficiency in the industry.
  • Specially designed track and heavy-duty fixtures ensure a tight and reliable fit.
  • Two coats of baked-on polyester paint provide a durable finish.
  • Warranty Information
  • Online BrochureView our online brochure to find the model that best fits your needs. With various models ranging from windload, extra heavy duty, heavy duty, medium duty, and light duty, Overhead Door™ is sure to have the product to meet your needs.
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