Overhead Door Company of Norwich Inc.

Thermacore® Sectional Doors

Thermacore® is the premier line of insulated doors available today. Thermacore® Series commercial sectional doors are an ideal choice for applications that demand the highest levels of thermal efficiency, air infiltration and wind load resistance.

  • Max. widths up to 40’2”
  • Max. heights up to 32’1″
  • R-value up to 26 combined with minimized air infiltration provides for superior thermal performance
  • Thermal break prevents cold or heat from passing through the section
  • Between section seals contribute to superior thermal performance
  • Durable sandwich panel construction: steel-polyurethane-steel
  • Unique continuous hinge attachment strip allows sections to be cut to length to repair damage on site
  • Flexible bottom weatherseal with retainer lessens conductivity of heat and cold, minimizes air and water penetration, and accommodates irregular floor conditions
  • Insulation is CFC and HCFC-free foam
  • Baked-on, polyester paint finish eliminates field painting and provides long-lasting protection against the elements
Optional Additions

Glazing High cycle springs Double end stiles Heavy duty hardware 3” track Posi-TensionTM drums to eliminate cable jumping Bottom sensing edge, photo eyes, and safety bottom fixture to catch sections should cable break High wind load Four-section pass door Rubber header seal and jamb weatherstripping Exhaust ports Electric operator Chain hoist


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