CHI 3236 3’’ Insulated Sectional Overhead Door

CHI 3236 3’’ Thermally-Broken Insulated Sandwich Door, Mississauga, Toronto GTA

3" Thermally-Broken Insulated Sandwich Door

3" Thermally-Broken Insulated Sandwich Door

C.H.I. Overhead Door Model 3236 is compliant with the requirements set forth by the International Energy Conservation Code IECC for operable fenestrations.

This Model utilizes 26-gauge exterior and 27-gauge interior steel skins injected with CFC free urethane insulation. The thermally-broken tongue and groove section joint includes a continuous weather seal offering exceptional protection from the elements.


  • Sections are 3" thick
  • Sections include a thermal break to eliminate thermal convection type
  • Outside skin features horizontal micro-grooves
  • Concealed steel back-up plates run from top to bottom of each section for secure hardware attachment
  • Bottom "U" type astragal is a standard feature


  • Tracks are 2" or 3", as specified
  • Available in bracket mount, clip angle mount, 12" radius, 15" radius, high lift, vertical lift, roof pitch, or dual track low headroom


  • Package includes 14 gauge or 11 gauge hinges, as specified
  • 2" or 3" short-stem or long-stem ball bearing rollers
  • Heavy-duty adjustable top roller brackets


  • Torsion springs are helically wound with stress relieved, oil-tempered wire
  • Springs are individually calibrated per door
  • Counter-balance torsion shafts are galvanized for rust resistance

Insulation Type

  • Foamed in place CFC free polyurethane core
  • R-value - 26.89


CHI 3236 3’’ Insulated Sectional Overhead Door

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Proudly serving the Greater Toronto Area since 1988