rolling doors and grilles


24 Elmwood Ave.
Mountaintop, PA 18707
Toll Free: 800-233-8366
Fax: 800-526-0841

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Founded in 1828, Cornell manufactures a complete line of high quality Environmental Separation and Emergency Response Closure Products including rolling service doors, counter doors, fire and smoke-rated doors and security grille products for commercial, industrial, institutional and retail use. CSI 3-Part Specs and Product Details are available at the "Specs, Details & Product Info" section of Cornell's web site. ISO 9001:2008 certified, Cornell provides exceptional product quality, design flexibility and superior support services to our customers. Products are supplied throughout North America and beyond through a network of authorized installing door distributors.

Cornell's mission is to protect property and life with closure products while providing success opportunities for our building industry customers.


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Extreme® 324 Performance High-Speed, High-Cycle Grilles image

Extreme® 324 Performance High-Speed, High-Cycle Grilles - EPG324 (Straight Pattern) and EPG324B (Brick Pattern)

Extreme® 324 Performance Grilles operate 3 times faster than standard coiling grilles and perform to an exceptional 300,000 cycles.

Opening quickly at 24" per second and closing at 12" per second, our 324 Grille was designed to meet the challenges of high-traffic openings in applications like parking facilities and government buildings.

Backed by an industry-leading 5 year warranty, the 324 Performance Grille's continuous duty operator, advanced control system, self-lubricating guide design and self-supporting installation option will maximize your facility's productivity, promote smooth traffic flow and reduce downtime.

The open air design provides visibility and ventilation, and you can complement your building aesthetics with straight or brick pattern curtain designs.

  • Opens 3 times faster than a standard grille
  • Sustainable and durable design rated for continuous duty
  • 5 year warranty on operator and 2 year/300K cycle warranty on components
  • UL 325-2010 compliance to ensure occupant safety
  • Accepts virtually all activation systems

  • Parking Structures
  • Condominium Facilities
  • Transportation
  • Government
  • Airports

Data Sheet
Extreme® 1024 Performance High-Speed, High-Cycle Doors image

Extreme® 1024 Performance High-Speed, High-Cycle Doors - EPD1024 (Service Door) and EPI1024 (Insulated Service Door)

Extreme® Performance 1024 high-speed, high-cycle doors provide a proven combination of steel door security, minimal maintenance requirements and exceptional cycle life unmatched by other performance doors.

Extreme Performance 1024 doors are tested to perform for over a million cycles at an opening speed of 24'" per second - three times faster than standard coiling or overhead sectional doors.

Designed to maximize your return on investment, the 1024 door provides the lowest lifetime cost and lowest cost-per-cycle versus other high-speed slatted products. And, its cost-per-cycle savings dramatically increase when compared to standard coiling doors that may be mistakenly considered for high-cycle openings.

Durability, environmental separation qualities and ease of repair after impact makes 1024 doors the superior choice for high-use openings.

Extreme®' Performance 1024 high-speed, high-cycle Doors Data Sheet
Thermiser Max® ASHRAE® 90.1 and IECC® 2012 Compliant Insulated Rolling Door image

Thermiser Max® ASHRAE® 90.1 and IECC® 2012 Compliant Insulated Rolling Door - Thermiser Max® Model ESD30

Thermiser Max® (Model ESD30) Insulated Rolling Doors meet ASHRAE® 90.1 and IECC® 2012 IECC® (International Energy Conservation Code) Section C402.4.3 Air Infiltration requirements with an independently tested value of less than.4 CFM/FT2. The exclusive patent pending sealing system, thermally broken guide construction and insulated curtains (with foamed in place insulation) minimize air infiltration and thermal transference through openings. Post-industrial and pre-consumer recycled content values and LEED® credits are available for each door. Thermiser Max components are also easily recyclable.

Thermiser Max (IECC® Compliant) Insulated Coiling Door Data Sheet

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Rubber Doors image

Rubber Doors - Extreme® Performance

High performance, high speed, impactable doors were designed for your most challenging environments. Extreme Performance Rubber Doors deliver unmatched durability and reliability in the most severe applications. Year after year, Extreme Rubber Doors provide trusted performance with maximum up-time and minimal maintenance. They have been specifically designed to withstand extreme climate conditions such as torrential rain, blizzard snow, scorching heat, frigid cold, dirt or corrosive factors. Available in High Performance and Low Headroom Springless Models, Extreme Rubber Doors are built to application requirements, particularly for tough environments such as heavy manufacturing, mining facilities, waste treatment plants, etc.

Extreme® Performance Rubber Door Data Sheet

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Service Doors image

Service Doors - Model ESD10

Metal slatted rolling doors used to provide security against entry, damage or weather for exterior and interior openings in industrial, commercial, institutional, retail and other buildings.

Service Door Data Sheet
Insulated Service Doors image

Insulated Service Doors - Thermiser® Model ESD20

Thermiser Insulated Rolling Doors are designed for exterior openings where maintaining different temperatures on each side of the door is desirable. The full perimeter seal of these energy efficient doors reduces sound transmission as compared to non-insulated rolling doors, and most standard Thermiser doors can be manufactured and shipped in one to two weeks. Hospitals, schools and universities are just some examples of applications where Thermisers are used for decreasing sound transmission. The Sound Transmission Class (STC) is up to 30 for the curtain and up to 22 for the entire door assembly.

Thermiser Insulated Rolling Doors

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Counter Doors  image

Counter Doors - Model ESC10

Counter Doors secure openings above counters and other similar finished openings in interior and exterior walls. Can fully close to the floor when compact door components are desired. Also called shutters.

Rolling Counter Door Data Sheet
Counter Doors with Integral Frames and Sills image

Counter Doors with Integral Frames and Sills - Model ESC20

Factory welded frames offer a custom, built-in look with simplified construction for fast and easy installation. This counter door configuration saves time and money for contractors and building owners. Ideal for public space corridors, food preparation areas and for storefront protection, these counter doors are available with perforated curtains (ScreenGard™) for ventilation or Graphics Doors (images applied to curtains and hoods) to create an opportunity to advertise, generate sponsorship opportunities, educate, inform or add aesthetic interest.

Doors are built to order and most counter doors can be shipped within one to two week. The curtain stores in an overhead coil for compact storage and is totally supported by the side guides. Rugged construction and commercial quality materials assure long life and little to no maintenance. Perfect for Service Windows in cafeterias, stadiums/arenas, hospitality/public space, educational and healthcare facilities.

Rolling Counter Door Data Sheet

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Fire Doors image

Fire Doors - Model ERD10

Fire Doors are rated physical fire barriers that protect wall openings from the spread of fire where rated doors are required by building codes and for insurance purposes. Fire doors provide automatic closing in the event of fire detection with governed speed control. They are also designed for daily use to provide security and access control, but are not for use in openings that are part of a required means of egress.

Rolling Fire Door Data Sheet
Insulated Fire Doors image

Insulated Fire Doors - Firemiser™

Provide UL rated fire protection plus security, sound attenuation, environmental separation and smoke control with the Firemiser' insulated fire door from Cornell. Practical applications include exterior openings that require a fire rating due to the proximity of other structures or combustible materials and buildings designed for future expansion where current exterior wall openings are to become interior fire wall openings.

Firemiser™ Insulated Fire Doors
Counter Fire Doors image

Counter Fire Doors - Model ERC10

Counter Fire Doors protect openings above counters against the spread of fire and can be used daily for security. Within size limits, can fully close to the floor when compact components are desired over a fire door. UL approved for mounting to rated drywall, masonry or steel walls. Not for openings that are a required means of egress.

Counter Fire Doors
Counter Fire Doors with Integral Frames and Sills image

Counter Fire Doors with Integral Frames and Sills - Model ERC20

Cornell's Counter Fire Doors with Integral Frame and Countertop, also referred to as Counter Fire Shutters, are assembled and welded at the factory for a seamless, custom-built look. Units may be fitted to pass window openings without field assembly, becoming an important time saver. Counter Doors with Frame and Sill are designed with reduced coil, bracket and header size (8" minimum) to fit tight clearances and provide enhanced aesthetics. UL listed perimeter smoke seals / UL tested vinyl astragal are available for providing protection against smoke infiltration at head, guide frames and sill. Manual push-up operation, standard motor and tube motor operation available.

Counter Fire Doors with Integral Frame and Sill

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SmokeShield® Fire Doors image

SmokeShield® Fire Doors - Model ERD11

Provide wall opening access and protect separated areas from the spread of smoke and fire. They are suitable for use in industrial, commercial and institutional applications.

SmokeShield Data Sheet
SmokeShield® Firemiser™ Insulated Fire Doors image

SmokeShield® Firemiser™ Insulated Fire Doors - Model ERD21

Combines the benefits of an insulated door and a labeled fire door product. Provides smoke control plus UL rated fire protection, security, sound attenuation, and environmental separation.

SmokeShield Data Sheet
SmokeShield® Counter Fire Doors image

SmokeShield® Counter Fire Doors - Model ERC11

Protects counter openings against the spread of smoke and fire, and can be used regularly for security. When the compact components of Counter Fire Doors are desired, these units can fully close to the floor. Also referred to as Counter Fire Shutters with SmokeShield®

SmokeShield Data Sheet

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Emergency Response Grilles image

Emergency Response Grilles - CrossingGard®

CrossingGard® Emergency Response Grilles are ICC-ES evaluated for access controlled egress per the International Building Code®, Section 1008.1.3.4. CrossingGard can provide security and address the safety issues required of many public areas. Under normal conditions, CrossingGard offers the security of a locked rolling grille, but immediately responds in emergency situations to fully open automatically allowing safe escape. Fail-safe by design.

CrossingGard® Data Sheet
Rolling Grilles and Closures image

Rolling Grilles and Closures - VisionAire® and VistaGard™

Rolling grilles and closures provide access control and off-hour security on interior and exterior openings permitting visual access of separated spaces. Open design, brick pattern and solid glazed style curtains are available.

Rolling Grilles Data Sheet
Side Folding Grilles and Closures image

Side Folding Grilles and Closures - VisionGlide™, GlideGard™ and VistaPane™

Side Folding Grilles and Closures are ideal for retail and institutional openings that have limited overhead space, which is required with overhead rolling products. Required headroom space for side folding grilles is 2 inches! These units can also accommodate openings that are not in a straight line for openings in excess of 60' wide and up to 12' high.

Side Folding Grilles Data Sheet
Rolling Grilles image

Rolling Grilles - SentryGate®

SentryGate®, a patented Cornell Product, is an alternative to traditional rolling grilles or counter doors. Its injection molded curtain components and continuous metal rods form a curtain that's stylish, strong, allows visibility and ventilation, and is perfect for high cycle use.

SentryGate 3 Grilles Data Sheet
SentryGate 4 Data Sheet

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Accordion Doors - TranZform® Sound

In addition to providing privacy and security separation, Cornell's TranZform Sound units offer unparalleled sound control. Its double wall panel design allows both interior walls to be completely covered with continuous blankets of sound absorbing material. TranZform Sound achieved an STC 45 when tested to today's ASTM E90 standards by an independent laboratory. When Noise Isolation Class (NIC) field tested in the same opening as a competitor's product that claims the best sound control in the industry with a higher listed STC rating, Cornell's TranZform Sound product emerged as the acoustic control champion.

TranZform® Brochure
Accordion Doors image

Accordion Doors - TranZform® Space

Though similar in finished appearance, TranZform Space units feature single wall panel construction with a bonded vinyl finish on public side standard, vinyl both sides optional in a finish as selected by the end user. Use in areas where convenient separation of space is desired, but fire control or higher level acoustic control is not a concern, such as off hour pedestrian control, closets and storage areas. STC 30.

TranZform® Brochure

{{}} {{this.hide}} Options / Upgrades

Rolling Door Protector (RDP) image

Rolling Door Protector (RDP)

Cornell's Rolling Door Protector, or RDP, helps protect coiling doors against the damage that results from forklift impacts: Rolling Door Protector (RDP)
Vinyl Graphics image

Vinyl Graphics

Vinyl graphics are a cost effective solution to apply full-color images to your rolling doors. We can provide these graphics on doors with a maximum height of 10' no width limit.
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Parts & Accessories

At Cornell Iron Works, we understand that downtime is costly. When you need a repair part for your rolling door, security grille or counter shutter, you need it quickly. Cornell can respond with fast delivery for all of your replacement part needs. We offer superior technical support to assist you in determining the right parts for the job. Our offering is continually expanding, so contact us to discuss your repair part needs.

Last Update: 2017-12-19