For over 90 years, Superior Glass has been the trusted glass company for homeowners and businesses across the Northland.
Superior Glass Inc. has spent generations earning the trust of homeowners and businesses throughout Superior, Duluth, and the surrounding Northland. What started as a small local shop has grown into the region's one-stop source for everything glass.
From the first measurement to the final installation, we treat every project like it's our own home. Quality materials, skilled craftsmanship, and a team that genuinely cares. That's the Superior Glass difference.
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Frameless shower enclosures, mirrors and custom cut glass tailored to your space.
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Expert measuring and installation that fits right and lasts the first time.
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High-performance replacement windows that cut energy bills and boost comfort.
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Patio, entry and storefront door systems built for security and style.
Learn More →When you choose Superior Glass, you're choosing a family-owned partner that stands behind every pane. We've earned the Northland's trust for generations by doing right by our neighbors. Here's what we promise on every single job.
Quick scheduling and on-time completion so your project is never left waiting.
Licensed, insured and factory-trained installers on every single job.
We install only premium glass and hardware from brands we trust.
Honest pricing and straight answers. No upsells, no surprises.
From your first call to the final walkthrough, we make getting new glass simple, transparent, and completely stress-free.
We talk through your project, answer questions, and give honest guidance with no pressure.
Our team measures on-site so every piece is fabricated to fit right the first time.
Factory-trained installers handle the job cleanly, safely, and on schedule.
We confirm everything is perfect and show you how to care for your new glass.
From the first measurement to the final installation, we keep things smooth, transparent, and refreshingly simple. Here's what you can count on with every project.
We're not just installing glass. We're building lasting relationships, and the numbers tell the story of how long Northland families have trusted us.
When you set Superior Glass apart, you get more than a perfect install. You get exceptional service, real warranties, and a team that treats your home and business like its own.
No hidden fees and no pressure. You'll know the full cost before we ever start the job.
Every standard installation is protected by a comprehensive parts and labor warranty.
We stand behind our craftsmanship for as long as you own your home.
Decades of happy customers across the Northland trust Superior Glass.
At Superior Glass, we take immense pride in serving the homes and businesses of the Twin Ports and beyond. From Superior and Duluth to the surrounding lake communities, we bring the same craftsmanship and care to every project.
Wherever you are in the Northland, our team is ready to help with your next glass project.
Check Your AreaSuperior Glass replaced every window in our home and the difference is night and day. The crew was on time, tidy, and walked us through every step. Couldn't be happier.
From quote to install, the whole process was smooth and honest. Our new frameless shower enclosure looks incredible and the pricing was exactly what they promised.
We hired SGI for our storefront glass and they delivered on time and on budget. True professionals who clearly take pride in their work. Highly recommend.
Most standard installations are scheduled within a few days of your estimate. For custom-cut glass and special-order products, we'll give you a clear timeline up front so there are no surprises.
Absolutely. Superior Glass serves homeowners and businesses alike, from shower enclosures, replacement windows, and mirrors to commercial storefronts, entrances, partitions, and large-scale glazing. Whatever the scope, our team has the experience to handle it.
Yes. Modern energy-efficient glass and properly sealed installation dramatically reduce drafts and heat loss, which can lower your heating and cooling bills while keeping your home more comfortable year-round.
We do. Broken windows and storefronts can't wait, so call us and we'll secure the opening and get a permanent repair scheduled as quickly as possible.
Drafts, condensation between panes, and rising energy bills are telling you something. Here's how to know.
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Thickness, hardware, and care tips that make a frameless enclosure worth every penny.
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Low-E coatings, gas fills, and ratings explained, so you can pick the right glass for the Northland climate.
Read More →Fill out the form and our team will reach out to confirm your project details and availability.
Free and no obligation. We typically reply within one business day.
