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Window is designed to enhance energy efficiency.

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July 2, 2009 - Available in single-hung, double-hung, or fixed with polyamide thermal break design and factory glazing, AA®3350 ISOPORT® Window increases thermal performance, safety, and security for commercial and institutional applications. Shape of polyamide thermal break enhances performance by maintaining its continuity throughout window frame and sash. Energy efficiency is promoted via 1 in. insulating or laminated glass, which also promotes thermal retention and noise resistance.

Alcoa's Kawneer Business Introduces AA®3350 ISOPORT® Window Designed to Enhance Energy Efficiency

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

ALCOA Bldg., 201 Isabella St.
Pittsburgh, PA, 15212

Press release date: June 30, 2009

Versatile Window for Commercial and Institutional Applications Increases Thermal Performance, Safety and Security

NORCROSS, Ga.--Alcoa (NYSE:AA) announced today that its Kawneer business, the leading manufacturer of architectural aluminum building products and systems for commercial construction, introduced its new AA®3350 ISOPORT® Window, designed to enhance the views and energy efficiency of commercial and institutional applications. Available in single-hung, double-hung or fixed with an innovative polyamide thermal break design and factory glazing, the AA®3350 ISOPORT® Window is highly versatile, leading the way in thermal performance at a competitive price.

Kawneer's AA®3350 ISOPORT® Window combines distinctive features, superior aesthetics and simplified fabrication and installation to provide architects and glaziers with a product that meets their needs. The unique shape of the polyamide thermal break enhances the performance of the window by maintaining the continuity of the thermal break throughout the window frame and sash. Adding to the energy efficiency of the window is 1-inch insulating or laminated glass, which provides high thermal performance and enhances STC and OITC (sound resistance) performance. AA®3350 ISOPORT® Window features powder coated die-cast sweep locks and keepers for maximum security and a push-button feature on sweep locks prevents windows from being opened accidentally. In addition, an integrated locking system automatically secures the operable sash when closed, preventing upper sash drift on double-hung windows.

The AA®3350 ISOPORT® Window has been tested to meet North American performance standards, including thermal transmittance, condensation resistance, condensation temperature index and sound transmission, and multiple sill heights are available to meet both 10 pound (CW) and 15 pound (AW) psf water performance requirements.

Factory Assembled and Glazed

For enhanced quality control and reduced customer labor costs at the job site, AA®3350 ISOPORT® Window is factory assembled and glazed. Factory silicone glazing improves window quality and performance while eliminating the time investment and costs of field glazing. Removable stops ensure easy re-glazing with no disassembly required. Multiple installation options, designed to accommodate a variety of installation methods, include a frame flange/nailing fin, strap anchors and receptor system.

Superior Aesthetics

To provide superior aesthetics to any project, the AA®3350 ISOPORT® Window's integrated extruded lift rails eliminate the need for surface-applied hardware, making sight lines sleek and appealing. Muntin grids enclosed in 1-inch insulating glass provide a traditional design option that is virtually maintenance-free. The 3-1/2-inch frame depth results in a narrower interior to exterior transition and the window also provides the minimum overall window depth to achieve structural performance and accommodate 1-inch infills.

Finish options for AA®3350 ISOPORT® Window include anodized, fluorpolymer and solvent-free powder coat painted in a variety of colors. A dual color finish option is also available providing the flexibility to vary interior and exterior finishes and reduce overall system cost.

To learn more about the AA®3350 ISOPORT® Window, or for more information on Kawneer, please visit

About Alcoa

Alcoa is the world leader in the production and management of primary aluminum, fabricated aluminum and alumina combined, through its active and growing participation in all major aspects of the industry. Alcoa serves the aerospace, automotive, packaging, building and construction, commercial transportation and industrial markets, bringing design, engineering, production and other capabilities of Alcoa's businesses to customers. In addition to aluminum products and components including flat-rolled products, hard alloy extrusions, and forgings, Alcoa also markets Alcoa® wheels, fastening systems, precision and investment castings, and building systems. The Company has been named one of the top most sustainable corporations in the world at the World Economic Forum in Davos, Switzerland and has been a member of the Dow Jones Sustainability Index for seven consecutive years. More information can be found at
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