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The windows offered on our website are specifically designed for installation in metal or steel sided buildings. Note that some of the window options include the exterior trim package for standard metal building siding (R-Panel). Also, you can choose from the regular fixed glass window or select upgrades to configure your own custom design.


Metal Building Accessories offers a comprehensive line of high-quality windows designed for installation in metal or steel-sided buildings, from regular, fixed-glass windows to upgraded, customizable options. Our windows are intended for retrofit application, meaning that they are to be used for existing construction and are not included in the original design of your steel building.

Our Cannon Ball Brand windows are manufactured in a top of the line ISO 9001 certified facility maintaining a high quality control standard. Metal Building Accessories' windows for steel buildings offer an easy, economical method of increasing your building's energy efficiency by correcting any leaks or gaps between frames insulating the interior of your building and helping you comply with energy efficiency standards. They also make a positive impact on the external appearance of your building.

Among the metal building we offer are 200 Series Utility Windows which are single pane and non-insulated ideal for barns, garages and other exterior buildings, and are available in horizontal sliding, 3-lite slider and fixed configurations. They may be purchased with or the standard color offerings are white and brown.

Our 1200 Series Builder Choice Windows are among the best values on the market, and work well in most steel building window applications. The 1200 Series features 7/8" Insulated Glass in a 2 5/8" welding vinyl frame, and are available with integral or snap-in J-channel options and a standard nailing flange. They are offered in horizontal sliding, single hung, 3-lite slider, fixed and architectural shape configurations, and are available in light stone or a limited range of two-tone color schemes.

Metal Building Accessories' 2000 Series Builders Choice Windows are ideal for light commercial and agricultural applications, and include a 13/16" Insulated Glass in a thermal broken aluminum frame. Nailing flanges come standard, and an optional J-trim package is available as well as standard color options of white, brown and bronze. Our 2000 Series steel building windows are offered in horizontal sliding, 3-lite slider and fixed configurations.

Our 2100 Series Builders Choice Windows are also commonly used for light commercial and agricultural steel buildings with metal siding, and come standard with a Pro Fit Trim package for easy installation once the metal is already on your building. Pro Fit packages are available in an array of colors and include top and bottom J-channels with integral nailing fins and side rails with a weather seal. They can also be purchased in horizontal siding, 3-lite slider and fixed configurations.

Finally, we offer 2200 Series Builders Choice Windows, which are manufactured in a top-of-the-line, ISO 9001 certified award-winning facility and feature 7/8" Insulated Glass standard with special glass available. All units within the Series are rated C-50 or above, and come with a powder coat finish, a full perimeter nailing fin and sliders with brass rollers to ensure long life.

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Building Outlet Corporation - 10390 Bradford Road Suite 140, Littleton, CO 80127
Phone: 1-(800) 486-8415 - Fax: (303) 948-2059 - Email:
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