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Top-Rated Glass block installation pros in Cedar - Updated Nov 2026

Avatar for Northern Exteriors Company, Inc.
Northern Exteriors Company, Inc.
New to Angi
Glass Blocks - Install

Serving Cedar, 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!

Glass Block Windows FAQs, answered by experts

Glass block windows typically last for 15 to 30 years, which is slightly less than the 20- to 50-year lifespan of standard windows. You can extend their life by resealing them every few years. Professional installation is also key to ensuring the windows are placed correctly and will function properly for years to come. A professional installer will have the necessary skills, tools, and knowledge to install these features and can identify potential issues like damaged frames or cramped areas during a consultation.

Glass walls are more expensive overall than their brick or drywall counterparts. However, if you need walls for a building with more than two or three stories, glass walls are the more budget-friendly option.

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

Glass block installation can be relatively expensive due to the range of material costs and the labor time to assemble this type of specialty window. The process proceeds slowly as the glass does not absorb moisture from mortar and silicone caulk takes longer to harden, leaving spacers to hold up the structure until the caulk or mortar begins to cure. Plus, if your current windows have structural issues or damage, you’ll need to repair them before beginning the project, increasing your bottom line. 

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

The Cedar, MI homeowners’ guide to glass block window services

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