• There are no suggestions because the search field is empty.

Cornell / Cookson

Thermiser Rolling Door

Model Number: ESD20

Request a quote

Our energy-efficient Thermiser® Insulated Rolling Doors are sturdy and durable while providing a formidable barrier against the elements. Thermiser Insulated Rolling Doors help maintain different temperatures on each side of the door. They are ideal for environments that require climate control, security, and durability: such as distribution, industrial, hospitality, retail and more.

And just like any Cookson roll up door, our insulated doors are all custom-made to your specifications, so you can get a door that fits your space perfectly.

Features & Benefits

  • Save you money on energy bills.
  • Keeps sound out/in.
  • Energy efficient to keep air out.
  • Stay safe from fire and smoke.
  • Thermiser doors roll up compactly, require little to no maintenance and deliver a low life cycle cost.
  • Warranty up to 50,000 open/close cycles.

Technical Specifications

Product Details
  • Sound Transmission Class (STC) rating is up to 30 for the curtain and up to 18 for the entire assembly.
  • Patented full-perimeter seal, combined with thermally broken guide construction and insulated curtains, minimizes air infiltration and thermal transference.
  • Hand chain, hand crank and a variety of motor options are available.
  • It can be configured to meet a maximum operational windload of 20 PSF.
  • R-value of 8 as calculated using the ASHRAE Handbook of Fundamentals.
  • Flame Spread Index of 0</li> <li>Smoke Developed Index of 10 as tested per ASTM E84.
  • Slats available in Galvanized Steel.
Product Downloads

Need Additional Product Information

We have the most up to date product specifications on this product

View Product on Manufacturer Site

Ready to inquire about this product?

Features & Benefits

  • Save you money on energy bills.
  • Keeps sound out/in.
  • Energy efficient to keep air out.
  • Stay safe from fire and smoke.
  • Thermiser doors roll up compactly, require little to no maintenance and deliver a low life cycle cost.
  • Warranty up to 50,000 open/close cycles.
Ready to inquire about this product?