Custom Built Window & Door Systems Inc

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Custom Built's new Polar Guard series windows were used in this LEED-qualified house in North Kingstown, RI. Watch the news story below.

Custom Built is excited to announce the immediate availability of our new Polar Guard Window. A guaranteed head-turner, the all new window features a fusion-welded sash and mainframe, revolutionary, integrated lock and tilt mechanism and soft-white color.

The Economic Stimulus Package allows a tax credit of 30%, up to $1,500, for installing energy-efficient Custom Built products in your home.

Welcome to Custom Built Window & Door Systems, manufacturers of the finest quality window and door products. From our Saturn and Polar Guard series of custom-sized, vinyl replacement windows (new construction also available) and Architectural Shapes to Steel and Fiberglass Entry Door systems, Porch Enclosures, Aluminum Storm Doors and more, we can do it all. Take a look around and see what we have to offer. When you're convinced our products are the right fit, ask your contractor to have Custom Built products installed in your home.

Custom Built has been in the business of making the highest quality window and door products for nearly 50 years. Family owned and operated, Custom Built has a history of quality and customer service unmatched in the industry. All of Custom Built's products are made in our manufacturing facility in Warwick, RI. We also have a showroom with many products on display and helpful staff on hand to answer any questions you may have. Visit or Contact us today to see how our products can help enhance the beauty of your home and increase its energy efficiency.

The Saturn Series products by Custom Built are manufactured to last. A 7/8" thick Insulated Glass unit with welded sash and frame components, and a triple weatherseal all add up to energy savings you can count on. The Saturn products are eligible for the Energy Tax Credit when glazed with Low-E glass, Argon gas and our Super Spacer.