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Bonnell Aluminum - Experience with Confidence

Large Aluminum Extrusions

Increasingly large spans of glass are a popular design feature but don't compromise on the structural framing!

Architects and those in the glazing industry will agree. Increasingly large spans of glass are a popular design feature but also present many challenges when facing ever stringent energy performance requirements. Changing technologies and product development are certainly helping to achieve both the desired aesthetic as well as the mandated performance features, but have also forced glazing manufacturers to rely on thicker glass. In doing so you have to make sure the framing system is designed to withstand both wind and glazing loads.

Bonnell Aluminum's 5,500-ton state-of-the-art aluminum extrusion press produces architectural-quality aluminum extrusions up to 16 inches of width, an ideal capability that meets the structural and aesthetic requirements for increasingly large spans of glass.


Drawing of a 16 inch wide aluminum extrusion

Aluminum Extrusion

Large Extrusions

5500 Ton Press


Aluminum Alloys

Aluminum Finishes

Aluminum Coatings

Acid Etch Anodizing

Standard Shapes

Architectural Shapes

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Manufactured by Presezzi Extrusion ( in Milan Italy, this press combines the latest extrusion manufacturing technology for producing large aluminum profiles requiring high-quality surface finish. Utilizing a progression of Kevlar and rubber belts, the specially-designed handling system was manufactured by OMAV, Brescia Italy (, to meticulously handle for maximum product quality, each aluminum profile exiting the press.

Picture of Bonnell Aluminum's 5,500 ton aluminum extrusion press and the run-out table where the extruded aluminum cools.

And as building owners and architects consistently seek for larger areas and expanses of glass, the capabilities of this 5,500-Ton press are well suited in providing the ability to expand and integrate aluminum extrusions' physical properties and characteristics into the design of larger framing components.

Borgata Hotel Casino and Spa in Atlantic City, New Jersey features curtainwall built from aluminum extruded by Bonnell Aluminum Two Alliance Center in Atlanta, GA features curtainwall built from aluminum extruded by Bonnell Aluminum

Borgata Hotel Casino & Spa, Atlantic City, New Jersey
Architect: BLT/CLA, Philadelphia, PA
Curtainwall Consultant: Edwards & Company, Sellersville, PA
Contractor: Yates/Tishman, Atlantic City, NJ
Curtainwall Installer: APG International, Inc., Glassboro, NJ
Curtainwall Fabricator: MK Architectural Metal, Inc.

Two Alliance Center, Atlanta, GA
Architect: Smallwood, Reynolds, Stewart, Stewart
Developer: Tishman Speyer,
General Contractor: Tishman Speyer
Curtainwall Fabricator: Trainor Glass Company

Here are some of the many product applications using large aluminum extrusions:

  • Curtain walls
  • Impact & blast resistant commercial/institutional windows & doors
  • Commercial building sunshades
  • Walkway covers and institutional canopies
  • Commercial storefronts & entrance
  • Modular framing
  • Medical facility equipment
  • Heatsinks and housing for LED lighting
  • Electric power transmission & distribution units
  • And more...

Photo Gallery

Extruded aluminum gutter beams

Extruded aluminum gutter beams


Extruded aluminum mullions for storefront application

Extruded aluminum mullions for storefront


Large extruded aluminum heat-sink.

Extruded aluminum heatsink


More large aluminum extrusions

Endless possibilities...


For more information on product capabilities and applications, please contact Bonnell Aluminum at