ROLLING STEEL (INSULATED) – COOKSON CORNELL – THERMISER MAX ESD30 (The Cookson Thermiser Max) is the most energy efficient door on the market. Thoroughly tested to prove elite performance, each door is custom built for the end user. Best used in exterior door openings when enforcing environmental separation on each side is necessary. With a patented sealing system, the door’s full perimeter seal, alongside a thermally broken guide construction and insulated curtains, helps to minimize air infiltration and thermal transference.

Insulated - Cookson Cornell Thermiser Max ESD30

Key Product Features:

  • Energy efficiency is maximized, delivering a 94% decrease in air infiltration compared to standard products.
  • Sound Transmission Class (STC) rating is up to 32 for the entire configuration reducing transmission significantly.
  • Galvanized steel curtain with matching hood, featuring GalvaNex™ polyester enamel finish in four standard colours.
  • Flame Spread Index of 0 and a Smoke Developed Index of 10 as tested per ASTM E84.
  • The slat has an R-value of 8.0 as calculated using the ASHRAE Handbook of Fundamentals.

Slat Profile:

  • Flat

Slat Thickness:

  • 20 gauge standard, also available in 18, 22 and 24 gauge

Slat Insulation: 

  • Insulated, with an R-value of 8.0

Maximum Opening Size:

  • 30’ x 30’

Operation Type:

  • Motor
  • Chain
  • Crank
  • Manual push-up

Colour Options:

  • Standard Colours are Grey, Tan, Brown & White
  • SpectraShield® Powder Coating in more than 180 colors

Product Documents:

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