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Welcome To Defender Door & Window


Thank you for visiting our website! For over 30 years we have served Chicago and the surrounding suburbs providing the highest quality steel entry doors, steel security storm doors, vinyl replacement windows, and other exterior home improvements like garage doors, siding, fencing, railings, soffit, fascia, and gutters.


It has been a privilege to serve you and we look forward to doing so. Our commitment to our customers is to provide prompt service, products of superior quality, and precise, expert installations that allow you to enjoy a product that lasts for decades. Because we have so many years experience, you can feel confident when purchasing from us. Our knowledge of steel entry doors, security storm doors, vinyl replacement windows, and other exterior home improvements can give you confidence and assure you that you have made a wise investment. Please feel free to contact us with any questions you might have. We hope you enjoy your stay on our website and look forward to serving you.