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Materials, Options and Finishes


We have added Brown to our Standard Finishes!

Find out about our new Powder Coated Graphics Option

Jump to GalvaNex Finish Colors

Jump to SpectraShield® Powder Coated Finish

Jump to SpectraShield® Powder Coated Finish — Standard RAL® Color Chart

Cornell’s metal closure products are offered in steel, stainless steel or aluminum. Finish options allow Cornell products to fit—and often contribute to—the visual aesthetics of a building project. When enhanced resistance to chemicals, corrosion, moisture, rust, or abrasion is needed, Cornell has materials and finishes that will meet or exceed the requirement. The following information is for Rolling Steel products only. See TranZform product pages for specific material and finish information.

Available Material Finishes for Steel:

Exclusive GalvaNex™ Finish - Provided as standard on steel curtains and hoods. This cost effective finish includes an ASTM A653 galvanized base coat treated with dual process rinsing agents in preparation for a two step 2.5 mils baked-on gray, tan, brown or white* polyester finish coat. The scientific organic material composition and chemical bonding process of GalvaNex™ produces a superior finish against corrosion and abrasion.

Hot Dipped Galvanized - Hot liquid process applies protective zinc coating in metallic silver finish.

ZRG - Zinc Rich Gray powder coating is smoother, more uniform and more durable than spray-on cold galvanized coatings.

Available Material Finishes for Aluminum:

Aluminum Mill Finish - Bright high-luster appearance in natural aluminum form.

Clear or Color Anodized - Electrochemical immersion process creates etched clear satin or a matte finish in deeper colors, including medium bronze, and black.

Available Material Finishes for Stainless Steel:

300 Series, #4 Finish - Brushed satin finish on curtain slats, bottom bar, hood, and guides. Stainless steel resists rust and corrosion and offers superior performance in the presence of moisture, chemicals, and food products.

Structural Stainless - Annealing pickles and toughens metal to make a rough textured matte finish.



Powder Coating:
An electrostatic applied polymer is baked-on to selected steel or aluminum components providing a durable finish in an array of color choices, such as Standard RAL® colors, see chart. Click for more information on Cornell's SpectraShield® powder coating process.


Standard Finishes:
Unless specified otherwise, rolling door components will be furnished with the following finishes as standard.
Curtain Slats - Exclusive GalvaNex finish in gray, tan, brown or white*
Hood - Exclusive GalvaNex finish in gray, tan, brown or white*
Endplate Brackets - SpectraShield® powder coated gray, tan, brown or white
Bottom Bar - SpectraShield® powder coated gray, tan, brown or white
Guides - SpectraShield® powder coated gray, tan, brown or white*

* Finish/Gauge availability varies by product.
Consult your Cornell Representative for detailed Finish/Gauge availability.


Copyright ©2014 Cornell Iron Works, Inc. All rights reserved.

24 Elmwood Ave., Mountaintop, PA 18707 | Tel 800.233.8366 | Fax 800.526.0841 | Email cornell@cornelliron.com

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