Cornell -Thermiser® Insulated Rolling Door - ESD20


Our energy-efficient Thermiser® Insulated Rolling Doors combines the robustness of a rolling steel door with foamed in place insulation.

Category: automatic doors | insulated doors | insulated roll-up doors...

MasterFormat: Coiling Doors and Grilles | Overhead Coiling Doors | Industrial Doors...

24 Elmwood Avenue
Mountain Top, PA 18707
Tel: (800) 233-8366
Fax: (800) 526-0841

Find a rep/distributor

Request More Info


Related Products


Thermiser® Insulated Rolling Door

Model Number: ESD20

Our energy-efficient Thermiser® Insulated Rolling Doors combines the robustness of a rolling steel door with foamed in place insulation. This offers superior protection against the elements, improved security and reduced sound transmission - both outside your building, sealing the building envelope, and inside.

Our Thermiser Insulated Rolling Doors are designed for exterior openings where maintaining different temperatures, (also known as environmental separation) on each side of the door is necessary and/or desirable. The full perimeter seal of these energy-efficient doors also reduces sound transmission compared to non-insulated rolling doors.

Thermiser doors provide all the benefits of our standard rolling doors, plus:

  • Climate Control: Our advanced full-perimeter seal and insulated curtains provide impressive reductions in air infiltration and thermal transference
  • Security: Our insulated curtain design features two layers of metal with foam in between, making the door stronger and more secure
  • Sound Reduction: The Sound Transmission Class (STC) rating is up to 30 for the curtain and up to 22 for the entire assembly, as tested per ASTM E90 (with a complete, operable assembly)
  • Usage

    The doors are constructed for daily use and can withstand operation of up to 20 cycles per day - that’s 50,000 cycles for the lifetime of the door.

    Materials and Finishes

    Double skin interlocking roll formed interior and exterior metal slats :

    • R-value of 8.0 as calculated using the ASHRAE Handbook of Fundamentals

    Slats are filled with 7/8" thick closed cell pressure foamed in place urethane insulation:

    • Flame Spread Index of 0
    • Smoke Developed Index of 10 as tested per ASTM E84
    • CFC-free process with an Ozone Depletion Potential rating of 0
    • Meets foam plastic insulation requirements of the 2012 IBC®, section 2603

    Slats available in:

    Galvanized Steel
    Exterior Slat Gauge Interior Slat Gauge GalvaNex Color
    24 24 brown, gray, tan, white
    22 24 gray, tan
    22 22 gray, tan
    20 24 brown, gray, tan, white
    18 24 gray, tan, white

    Stainless Steel
    Exterior Slat Gauge Interior Slat Gauge Finish
    22 22


    Exterior Slat Gauge Interior Slat Gauge Finish
    22 22

    Mill, Clear, Color Anodized

    Available Operators

    Our doors can open by motor, chain, hand-crank, or push-up operation, depending on size, weight and/or frequency of operation.

    • Model MG: A medium duty operator for doors that will cycle no more than 20 times per day
    • Model SG: A super duty, full logic operator for larger doors or doors which may periodically cycle more than 20 times per day

    Chain Diverter for MGH Operators

    This option moves the auxiliary chain out of the clear opening and to the side of the door - enabling free movement through the door and making a chain bag unnecessary.

    Hood and Operator Covers

    Metal cover to protect the coil or operator from exterior weather, debris or to meet OSHA or UL 325 safety requirements.

    Powder Coated Graphics

    Permanent, durable faux finishes are available for rolling door curtains. There are six wood grain options as well as the ability to use custom graphics, photos or logos. Powder coated graphics give your doors a seamless, upscale look - either blending into the existing building architecture or transforming a building necessity into a work of art.

    We can apply powder coated graphics to rolling doors 12’ wide and under, on standard, insulated or perforated slats.

    SpectraShield™ Powder Coating

    Polyester finish in more than 180 colors for durability, aesthetics, superior finish life and cost effectiveness.

    Trim Package
    In applications where exterior aesthetics are important, such as hotels, condominiums, convention centers and parking garages, the addition of a trim package can cover unsightly hardware and contribute to the building's architecture.

    Vinyl Graphics

    Add durable, full-color images to your curtains and hoods. Great for school logos and turning unused door space into profitable sponsorship opportunities in stadiums, amusement parks and retail stores.

    Vision Windows
    Improve aesthetics and visibility with one- or two-way windows incorporated in the curtain.

    Performance Upgrades
    High Cycle Springs
    Heavy duty springs manufactured to withstand cycles of 100,000.

    Seismic Performance Validation

    We can provide project specific seismic calculations for all coiling doors that are mounted Face of Wall or Between Jambs to steel or masonry. Seismic performance validation is per ASCE 7-05.

    Safety and Protection
    Entrapment Protection Devices

    Entrapment protection devices ensure that a motorized door or grille will not close on an object. If an object enters path of closure, the entrapment protection device will stop the door or grille from closing and return it to the fully open position.

    Guide-Mounted Interlocks
    An electrical cutout switch to prevent motor operation if locking device is not first disengaged.
    HDBB (Heavy Duty Bottom Bar)

    The HDBB is 350% stronger than traditional bottom bars, preventing forklift damage to your Service or Insulated Door. The HDBB can pay for itself after the first impact and significantly reduce future maintenance costs.


    A wide variety of locking options are available to meet your security needs.

    Motor Mounted Interlock

    An overload sensing device that prevents damage if motor operation is attempted when the door or grille is locked. Field wired guide mounted interlocks are no longer necessary.


    RapidResponse doors are provided with 3' or 6' of extra curtain, an impactable bottom bar and removable lower guide sections. These features allow for faster repair of slat damage, reducing downtime and maximizing the lifetime value of your door.

    Rolling Door Protector (RDP)

    The RDP eliminates costly fork truck damage to coiling doors by creating a physical barrier at the top of the door that absorbs impacts.

    Wind Load
    Can be configured to withstand the full range of specific wind load requirements including missile impact ratings.
    Unique Design Solutions
    There are multiple mullion options - corner, fixed and removable.

    Pass Doors
    Hollow metal man door and hinged frame available within a curtain.

    Sloping or Irregular Openings
    Our special bottom bar designs can address these conditions.

    Superimposed Doors
    Combine two different curtains on the same opening. Typically, an insulated door is used in conjunction with an open design rolling grille to provide ventilation. When extreme weather or sound resistance is desired, we can provide superimposed/double insulated curtain assemblies.

    See More