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Cornell Iron Works
Mountain Top, PA 18707   map
Phone: 570-474-6773, 800-233-8366 (toll free)
Fax: 800-526-0841
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ISO 9001:2008 certified manufacturer of closure products including rolling service doors, fire-rated doors & security grilles for commercial, industrial, institutional & retail applications. Doors More... are available in various types including service, insulated, fireproof, insulated & fireproof, counter, fireproof counter, smoke & draft control & side folding accordion doors. Grilles are available in various types including rolling, emergency response, side folding & with injection-molded components. Doors & grilles are available in galvanized steel, stainless steel & aluminum material, with optional polyester powder coating. Retrofit door operators are available. Capabilities include designing products to meet special application design needs including combination doors, horizontal & roll top closures, high cycle units & high wind load doors & a variety of options to meet aesthetic or corrosion resistance design needs. IBC compliant grilles & ASTM compliant & UL listed doors are available. 2-year warranty. Less

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C the Difference
Click here to download our C the Difference Brochure
About Cornell

Cornell Iron Works has been owned and managed by the Cornell family since 1828. In the 19th century, we were a manufacturer of specialty ironwork, grates, railings, stairs, vaults and structural and ornamental ironwork. The company originated in New York City serving a regional market then later New England and the middle Atlantic states.

Today, with manufacturing and corporate offices located in Mountaintop, Pennsylvania, we are a leading resource for rolling steel doors and grilles. We still serve the non-residential construction market, but now our customers and distribution covers More... North America and beyond. Today’s emphasis is not only on rolling doors and grilles, but also on product support and information services to assist professionals through design, build or manage industrial, institutional and commercial buildings. With our commitment to quality products, materials, design and construction methods that enhance security and life safety, we provide success opportunities for our distributor, architect and contractor customers. Located in Northeastern Pennsylvania, Cornell employs over 200 associates in over 185,000 square feet of facility space. All production units are designed and manufactured per order. All Cornell associates assertively serve our customers.

Cornell product categories include Rolling Service Doors, Insulated Service Doors, Counter Doors, Fire Doors, Insulated Fire Doors, Counter Fire Doors, SmokeShield Products, High-Speed/High-Cycle, Rolling Grilles and Side Folding Grilles. Many product accessories are available to complement our base product designs. Cornell also designs and manufactures an array of products to meet many special application design needs such as combination doors, horizontal and roll top closures, high cycle units, high wind load doors, etc. With an in-house powder coat line and the option of multiple materials and finishes, Cornell offers many choices to meet aesthetic or corrosion resistance design needs. In the course of providing closure products that protect property and life, what we really make are satisfied customers. Less

Product Information

Thermiser® Insulated Doors (Model ESD20)
Thermiser® Insulated Rolling Steel Doors are recommended for exterior openings where maintaining different temperatures on each side of the door is desirable. The door keeps buildings warm in winter and cool in summer. Closed cell urethane foam insulation provides the lowest thermal conductivity of any material commercially available. The slat has an R-value of 8.0 (U-factor of 0.125) as calculated using the ASHRAE Handbook of Fundamentals.
Matadoor® Break-away Curtain Section Matadoor® Break-away Curtain Section
Cornell's Matadoor® Break-away Curtain Section saves time and money by tolerating moving vehicle impact and resetting quickly.
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Capabilities / Services

Cornell M100 FireGard™ Fire Door Installed at Graveyard Carz Cornell M100 FireGard™ Fire Door Installed at Graveyard Carz
Cornell Iron Works, Inc. teamed up with The Cookson Company, Inc. to provide Graveyard Carz with our advanced M100 FireGard™ Fire Door. Providing superior property & life safety, the M100 FireGard™ Fire Door met the aesthetic & fire safety needs of the project. Learn about Cornell Fire Doors:

Recent News & Press Releases

Cornell and Cookson Introduce Unique High Speed, High Cycle Rolling Steel Door Design Proven to Perform for Over 1 Million Cycles
March 25, 2014 — Design Combines High Performance Benefits with the Security of a Steel Door Mountain Top, PA...
Cornell and Cookson Introduce the Only Rolling Door Compliant to the 2012 International Energy Conservation Code®
January 28, 2014 — Innovative Design Exceeds Air Infiltration Requirements Mountain Top, PA – Now, the superior...
View all news & press releases for Cornell Iron Works

Company Data
Activities:Manufacturer, Custom Manufacturer
Year Founded:1828
Certificate Available for DownloadISO 9001:2008
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Brand Names:CrossingGard, Firemiser, Matadoor, ScreenGard, SmokeShield, Spectra Shield, SpectraShield, Thermiser, TranZform, VisionAire
All Brands...
Export Markets:Middle East, Asia, Canada, Mexico
Import Markets:Asia, Australia, Europe
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