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*The Angi rating for Glass Block Service companies in Frederic, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

*The HomeAdvisor rating for Glass Block Service companies in Frederic, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

Last update on April 22, 2026

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Avatar for Northern Exteriors Company, Inc.
Northern Exteriors Company, Inc.
New to Angi

Serving Frederic, MI and surrounding areas

In business since 1958

Northern Exteriors Co., Inc. has been in the home improvement business since 1958. We carry workman's compensation, liability insurance, and our craftsmanship is second to none. We here at Northern offer something never seen in the construction industry, a LIFETIME warranty on our labor! Our work entails: job supervision by an owner every 3-5 days, our windows carry a LIFETIME warranty, and the jobsite is thoroughly cleaned and trash is hauled away. When we start a job, we stay on it until it is completed within a reasonable amount of time. We are members of the Kalkaska, Gaylord, and Grand Traverse chamber of commerce. We are also members of the North Central Michigan Home Builders Association. All of our work is repeat or referral from satisfied customers. We warranty all of our labor with the exception of roofing for life! Our roofing carries a 12 year warranty!

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Glass Block questions, answered by experts

New glass costs anywhere from $3 to $100 per square foot. More specifically, tempered and insulated glass—a common option for sliding glass doors—costs between $10 and $14 per square foot.

Most installations take 1-3 days, depending on the number of blocks and customization requirements.

Installing glass block windows has benefits and disadvantages, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.

Pros

  • Maintains privacy while letting light into the bathroom

  • Energy efficient

  • Sealed to prevent drafts

  • Aesthetically pleasing

  • Strong and secure

Cons

  • Costly to install

  • Challenging installation

  • Challenging repair

Although glass block windows are made of multiple layers of thick glass, they can still break. If an individual block shatters, it can be removed and replaced, but this is a job for a window repair professional. The project is often complex and may require breaking the block further for removal. Do not attempt to handle it yourself, as the broken glass can be dangerously sharp. A professional will have the necessary tools and expertise to replace the broken glass block quickly and safely. Before hiring, confirm that the repair pro has experience with this specific type of window.

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

The Frederic, MI homeowners’ guide to glass block services

From average costs to expert advice, get all the answers you need to get your job done.

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