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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 come in various patterns and styles that offer privacy and unique aesthetics. Frosted or textured glass diffuses light and enhances privacy. Wave-pattern glass blocks imitate ocean waves with flowing lines. Ice-glass blocks resemble cracked ice. Fluted glass blocks feature parallel vertical grooves, adding texture and depth. Clear glass blocks, similar to glass Coke bottles, offer transparency with some distortion and may have smooth surfaces or subtle textures, adding visual interest.

Glass block mortar is the best choice for glass block window units. It is specifically formulated for glass block window installation. Glass block mortar is usually a mixture of Portland cement, sand, and special chemicals. It is a white mortar that is applicable inside and outside your home. Do not use regular tile mortar because it may not have the binding strength and flexibility required for glass block windows.

Luckily, glass block windows need minimal maintenance. Other than regular cleaning, the only maintenance involved in having a glass block window is inspecting for cracks every year and applying sealer to the mortar joints if the blocks are set in masonry mortar. Glass block windows hold up well against wind and moisture better than traditional windows and are not prone to rot.

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.

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.

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.