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Serving Windsor Since 1962

We offer a diverse range of glass and mirror solutions ranging from door and window repair to glass and plastic products.

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Guardian Glass: Window and Glass Services in Windsor

Proudly serving Windsor for over 59 years, Guardian Glass offers complete glass & mirror services for commercial, industrial, and residential customers. What began as a small family-run business, has grown exponentially over the years. Our crew is comprised of dedicated Skilled Tradesmen who are out in the field fixing and installing glass and aluminum products every day. We install and repair glass and mirrors for almost any application, including custom shower and bath enclosures, mirrored closet doors, and so much more. We also repair storefront windows and commercial doors, and offer a full line of industrial plastics cut to size. Whether it’s major storefronts or big retailers, we have the tools and expertise to handle projects of all sizes. We also provide on-site window and glass services throughout Windsor and Essex County, including Belle River, Amherstburg and Leamington. We believe the secret to our success has been to provide quality workmanship using the finest products and materials available. We choose our suppliers very carefully because we feel our customers deserve the best. We feel that the "bottom line" for our customers is not just price, but the quality and value that the name Guardian Glass Ltd. has come to represent over the years with a proven history of almost six decades. We would like to thank all of our customers, past and present, for placing their trust in us and letting us solve all of  their glass and mirror needs." 

What Our Customers Say

Friendly and Professional

“I called Guardian Glass Ltd. for a commercial door repair and they were fantastic! Very quick response and fix. Their staff were both friendly and professional on the phone and at the time of service.”

- Jillian B.

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What Our Customers Say

Good People

“They're really good people. I had a broken window which I took to them. They didn't fix it. But, they gave me honest opinion for fixing and helped me with stuff, so that I can secure my window gap in the house for the time being.”

- Anupam M.

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What Our Customers Say

Very Good Price and Quality!

“Got my desktop glass yesterday, fit perfectly! Rob helped a lot! Very very good price and quality! Friendly staff. Best place for shopping glasses!”

- Harvey Y.

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What Our Customers Say

Extremely Satisfied

“Great service! The gentlemen that came to replace my window were professional, clean and prompt, wore masks and even took their shoes off at my front door! They were great! Extremely satisfied.”

- Amalia S.

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What Our Customers Say

Highly Recommend

“Met with Stu, one of the owners of Guardian Glass. Loved Casey the cat! They go above and beyond with their services and I was really happy with the level of work done. I would highly recommend this company!!!”

- Carole S.

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Glass and Mirror Cut to Size

Windsor is a town, unlike others. We are proud of our unique houses and buildings. As much as we love them, it’s not easy to replace our broken windows or mirrors when they are in non-standard sizes. Off-the-shelf replacements from the big box stores simply won’t “cut it.” That’s why Guardian Glass still cuts mirror and glass to your exact dimensions. And don’t worry - we won’t sell you an entire sheet of plastic or mirror when all you need is a 20’ X 24’ pane!

We Replace Broken Windows

(Casey just keeps customers happy)

If one of our local Detroit Tiger hopefuls has hit a ground-rule double through your kitchen window, give us a call. We work with insurance companies and can typically give you an estimate over the phone. We can send someone out and have your window looking better than ever in no time. Game on!

Visit our showroom and say “hi” to Casey. He’s our resident store cat and would love to greet you at the door!

Professional Affiliations

Brands We Use

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Our Products

We sell a range of decorative glass, shower doors, mirrors and plastic products.

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Glass and Mirror Services

From glass repair and replacement to window screening - we do it all.

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Visit Us

Stop by our location in Windsor to see our selection.

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Contact us

Guardian Glass

276, Lauzon Rd

Windsor, ON N8S 3L6






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