How long do glass block windows last?

<div>Typically, glass block windows last about 15 to 30 years, slightly less than regular windows, which last 20 to 50 years. Resealing glass blocks can help extend the lifespan of this bathroom feature. The key to ensuring that glass block windows last as long as possible is to have a <a href="https://www.angi.com/nearme/glass-block-windows/">professional glass block installer</a> place them. Glass block pros will have the skills, tools, and knowledge required to install these special features into any space, noting obstacles like damaged windows or too-cramped areas during the consultation.</div>

What are the pros and cons of glass block windows?

<div>Installing <a href="https://www.angi.com/articles/what-are-benefits-glass-block-windows.htm">glass block windows has benefits and disadvantages</a>, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.Pros<ul><li>Maintains privacy while letting light into the bathroom</li><li>Energy efficient</li><li>Sealed to prevent drafts</li><li>Aesthetically pleasing</li><li>Strong and secure</li></ul>Cons<ul><li>Costly to install</li><li>Challenging installation</li><li>Challenging repair</li></ul></div>

How much do glass block windows cost to install?

<div>The <a href="https://www.angi.com/articles/what-are-average-glass-block-prices.htm">average cost to install glass block windows</a> is about $710, ranging from $460 to $1,000, depending on the size and design of the window, installation type, and location. Different styles of glass blocks also impact the cost:<ul><li>Clear glass blocks: $10–$30 per block</li><li>Colored glass blocks: $25–$40 per block</li><li>Acrylic glass blocks: $15–$25 per block</li><li>Wavy glass blocks: $10–$30 per block</li><li>Alpha glass blocks: $15–$25 per block</li><li>Ice glass blocks: $20–$35 per block</li><li>Diamond glass blocks: $20–$75 per block</li><li>Frosted glass blocks: $30–$35 per block</li></ul></div>

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Verified Reviews for Glass Block Service pros in Vandergrift, PA

*The Angi rating for Glass Block Service companies in Vandergrift, PA 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 Vandergrift, PA 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 04, 2025

Reviewed in October 2024
Very quick, and the initial representative even noticed a few things outside the house that I needed to give attention to myself that I hadn’t noticed.
Dun-Rite Window and Door
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Reviewed in August 2014
The first crew came and installed indoor french drains, and a new sump pump in my storage room. On the outside they installed a floor drain in an area in the back of my house where water pools. That drain was tied into the sump pump. They also tied my downspouts and my sump pump into the ground...
Keystone Basement Systems & Structural Repair Inc
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Reviewed in October 2012
They were very courteous on the phone, and then Jeff came out to our home and was very nice. He made me very comfortable in my own home. The two workers that came to install the windows were very courteous in my home, and I did not hear any foul language when they were doing the work in my...
Champion Windows and Home Exteriors of Pittsburgh
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Reviewed in October 2020
Chose these guys based on positive Angie’s List reviews. I needed an older style single-pane garage window replaced with glass block. These guys were right on time, courteous, professional, and completed the job in less than an hour. They cleaned up after themselves and left no mess. I’m...
Dun-Rite Window and Door
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Reviewed in January 2010
This is the second time I have used Dun Rite and both times I have been very satisfied with the windows and the service. Dino and his staff are always very prompt, courteous and professional.
Dun-Rite Window and Door
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Reviewed in April 2013
I thought they were very friendly and responsive. Great qualify of work. Price was reasonable. I had a slight issue and they were very quick to respond and correct it. They also gave me a discount for being from Angie's List.
Dun-Rite Window and Door
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Reviewed in April 2014
Dino was very professional and flexible. All work was performed efficiently and workers were courteous. Old doors were hauled away and the area was clean when the workers left. Very happy with the finished product.
Dun-Rite Window and Door
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Reviewed in June 2012
Dun Rite came out and measured, gave us the estimate for the job. We agreed to have the work done and selected they type of door and colors. Dino told us it would take about a month for the door to come in as they are ordered specifically for the job. We were in no rush, so the wait was no...
Dun-Rite Window and Door
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Reviewed in March 2012
I called Thursday evening and left a message to haveone glass block removed and a dryer vent installed. I received a call the next morning and installer Phil came Sunday to perform the service. He and his associate were fast, but did excellent work. They cleaned up after and put down drop...
Dun-Rite Window and Door
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Reviewed in August 2012
We have used Dino a couple of times over the last few years, and he has always been great. In this instance, we worked with the entire crew as we had many varied items installed. All of his staff were great to work with, quick, on time and efficient. His worker for the glass block and Bilco...
Dun-Rite Window and Door
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Glass block pros in Vandergrift

Glass block services FAQs

Typically, glass block windows last about 15 to 30 years, slightly less than regular windows, which last 20 to 50 years. Resealing glass blocks can help extend the lifespan of this bathroom feature. The key to ensuring that glass block windows last as long as possible is to have a professional glass block installer place them. Glass block pros will have the skills, tools, and knowledge required to install these special features into any space, noting obstacles like damaged windows or too-cramped areas during the consultation.

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

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.

The average cost to install glass block windows is about $710, ranging from $460 to $1,000, depending on the size and design of the window, installation type, and location. Different styles of glass blocks also impact the cost:

Clear glass blocks: $10–$30 per block
Colored glass blocks: $25–$40 per block
Acrylic glass blocks: $15–$25 per block
Wavy glass blocks: $10–$30 per block
Alpha glass blocks: $15–$25 per block
Ice glass blocks: $20–$35 per block
Diamond glass blocks: $20–$75 per block
Frosted glass blocks: $30–$35 per block

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.

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