What are the pros and cons of glass block windows?

• <div><p>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.</p><p><b>Pros</b></p><ul><li><p>Maintains privacy while letting light into the bathroom</p></li><li><p>Energy efficient</p></li><li><p>Sealed to prevent drafts</p></li><li><p>Aesthetically pleasing</p></li><li><p>Strong and secure</p></li></ul><p><b>Cons</b></p><ul><li><p>Costly to install</p></li><li><p>Challenging installation</p></li><li><p>Challenging repair</p></li></ul><p></p></div>

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Q: Do glass block windows need maintenance?

• <div><p>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.</p></div>

Q: What do you do if a glass block breaks?

• <div><p>Although glass block windows are made of multiple layers of thick glass, they&rsquo;re still susceptible to breaking. If your glass block window shatters, contact a window repair professional to remove and replace the glass block. Don&rsquo;t attempt to handle it yourself because the broken glass can be dangerously sharp. A window repair pro will have the tools and expertise to replace the broken glass block quickly. Before hiring, be sure to confirm the repair pro has experience with repairing or replacing that specific type of window.</p></div>

Q: What should you do if one of the glass blocks breaks?

• <div><p>If an individual block breaks, you can remove and replace it. This is a job for which you should contact a professional because the project is usually complex, involving you having to break the block further.</p></div>

Q: Do professionals offer custom glass replacement?

• <div><p>Yes, many professionals provide custom-cut glass replacements for enclosures that require precise sizing.</p></div>

There are 2 highly-rated local glass block pros.

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Verified Reviews for Glass Block Service pros in Montclair, CA

*The Angi rating for Glass Block Service companies in Montclair, CA 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 Montclair, CA 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 October 04, 2025

Reviewed in December 2012
The entire job was done in one week and that's with a continuing rain therat and downpours. Bob's staff fo four ment did an outstanding job of reporting on time, showing total and complete professionalism and working a highly efficient manner. They were most considerate of the property and...
Berger's Painting
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Reviewed in January 2017
Casey and Fernando were conscientious and knowledgeable. They were careful to protect our home as they worked. This was important as all of the interior work had to be done while standing in the bathtub. They did an excellent job removing the glass block wall and installing the new window. We...
Renewal by Andersen of Orange County
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Reviewed in April 2013
We had asked eight different general contractors to submit estimates/bids for our full house interior remodeling project. All contractors were selected from Angie's list or/and yelp, all with excellent reviews and ratings. Being full time working parents of two young kids, and having a very...
Stone Age Design & Build Inc
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Reviewed in February 2013
I have never seen or met a contractor and his workers that are so clean. EVERY day the yard was cleaned up immaculately. It was like I didn't even have work being done. Joe and his workers arrived every day on time and when he needed to pick up materials in the morning he always communicated...
MESSINEO MASONRY & CONCRETE
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Reviewed in May 2011
They are very good, their punctual and their estimates are accurate. Overall, they do a great job and we plan to use them again in the future.
Coachella Windows
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Reviewed in March 2006
Representatives of the Glass Block Man made this a very pleasant experience. I coordinated the project with the owner, Chuck Hicks. I was very impressed with the workmanship and professionalism of the installers of the glass blocks and am very pleased with the final product.
GLASS BLOCK MAN
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Reviewed in July 2005
THE COMPANY DID A GOOD JOB. THEY GUARANTEED THEIR PRODUCTS FOREVER. I NEEDED THEM TO COME OUT AND FIX SOMETHING AND THEY WERE VERY RESPONSIVE AND DID IT QUICKLY. OVERALL THEIR WORKMANSHIP WAS EXCELLENT. AGAIN, A VERY CUSTOMER FRIENDLY COMPANY.
JAMES METZ STUDIO
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Reviewed in May 2013
One of the pipes in the bath room cause this big damage in one of our properties in Woodland Hills. Metro builders as always showed up ASAP with the guys and the big dumpster remove the all bath room and kitchen complete. We only selected the cabinets and Granite colors, and give the guys...
Metro Builders & Remodeling
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Reviewed in February 2011
Member Comments: The transaction was quick and done right. Plus I felt it was reasonably priced. Definetly would recommend this professioanl glass company to everyone!
Redondo Glass
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Find Glass block pros in Montclair

Affordable Frameless Shower Door Inc

27702 CROWN VALLEY PKWY

5.00(

)

Affordable Frameless Shower Door Inc

27702 CROWN VALLEY PKWY

5.00(

)

5 years of experience

Full service frameless glass shower doors and full glass shower enclosures installation. Affordable Frameless Shower Door provides efficient, professional and affordable shower glass installation throughout Southern California. Highly Reviewed. Affordable Shower Glass. Prompt Job Scheduling.

COIT Cleaning and Restoration Of Inland Empire

1960 Chicago Ave

No reviews yet

COIT Cleaning and Restoration Of Inland Empire

1960 Chicago Ave

No reviews yet

75 years of experience

COIT Cleaning and Restoration specializes in professional residential and commercial cleaning services. In addition, we help families and businesses by providing certified 24-hour emergency water, smoke and wind damage Restoration services. COIT is the expert in the cleaning and restoration industry with more than 70 Years of Experience and Excellence. We offer our customers unparalleled service, professionalism and quality with a 100%, risk-free, money back guarantee. We're a brand you can trust! Visit us at www.coit.com to learn more.

Royal Group Construction

425 W La Cadena Dr

4.50(

)

Royal Group Construction

425 W La Cadena Dr

4.50(

)

Recommended by 100% of Angi customers

We have been in the business for over 30 years specializing in Exterior and Interior painting, stucco. plumbing,electrical, cement, plastering, windows, We are Licensed and Bonded. We offer 100% quality work and experience. No job is too big or to small we are here to serve you.

"Great. They are responsive and do good work. I highly recommend them to others."

Tom M on April 2020

"Great. They are responsive and do good work. I highly recommend them to others."

Tom M on April 2020

Custom Shower Doors

261 San Lorenzo St

5.00(

)

Custom Shower Doors

261 San Lorenzo St

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Call us today for your FREE estimate on a custom frame-less shower door! We specialize in a custom shower doors, window replacement/installation, mirror installation, and glass repair. We are a family owned business and have been in business over 12 years. We pride ourselves on providing great customer service and making sure you're satisfied with every job. We service all of Orange County, Riverside County, San Bernardino and certain areas in Los Angeles. For all quick estimates (0pen 24/7) please call us directly or send us a message!

"Went just fine no problems they were in and out in less than two hours and it looks great and the price I think was very fair."

Nick T on August 2020

"Went just fine no problems they were in and out in less than two hours and it looks great and the price I think was very fair."

Our Construction firm is dedicated to providing the most effective, quality, and knowledgeable services to our clients. We accomplish this by listening to our client's needs, questions, concerns, and by exceeding all expectations in order to provide an exceptional experience.We strive to be the best at assisting our clients, providing intuitive and reliable solutions to complex issues and to contribute to successful resolutions.

...

Showing 1-10 of 128

Glass Block questions, answered by experts

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.

Although glass block windows are made of multiple layers of thick glass, they’re still susceptible to breaking. If your glass block window shatters, contact a window repair professional to remove and replace the glass block. Don’t attempt to handle it yourself because the broken glass can be dangerously sharp. A window repair pro will have the tools and expertise to replace the broken glass block quickly. Before hiring, be sure to confirm the repair pro has experience with repairing or replacing that specific type of window.

If an individual block breaks, you can remove and replace it. This is a job for which you should contact a professional because the project is usually complex, involving you having to break the block further.

Yes, many professionals provide custom-cut glass replacements for enclosures that require precise sizing.

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

By submitting this question, I acknowledge and agree that Angi may publicly display my name, city, state, and question on the website for professionals and others to see.

The Montclair, CA 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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Get matched with top glass block pros in Montclair, CA

There are 2 highly-rated local glass block pros.

Need a pro for your glass block service project in Montclair, CA?

Handyman for Multiple Small Project Service

Faucets, Fixtures and Pipes Repair or Replace

Electrical Switches, Outlets & Fixtures Install or Repair

Verified Reviews for Glass Block Service pros in Montclair, CA

Find Glass block pros in Montclair

Affordable Frameless Shower Door Inc

Affordable Frameless Shower Door Inc

COIT Cleaning and Restoration Of Inland Empire

COIT Cleaning and Restoration Of Inland Empire

Royal Group Construction

Royal Group Construction

Custom Shower Doors

Custom Shower Doors

GJB Construction

GJB Construction

Sterling Tile & Stone

Sterling Tile & Stone

Blue Coast Remodeling

Blue Coast Remodeling

Rex Romano Builders

Rex Romano Builders

Gtz Construction

Gtz Construction

Zion Energy

Zion Energy

The Montclair, CA homeowners’ guide to glass block services

How to Install Glass Block Windows in 10 Steps

Glass Block Windows: Pros, Cons, Cost, and More

Get our Angi-powered app

Get matched with top glass block pros in Montclair, CA

There are 2 highly-rated local glass block pros.

Need a pro for your glass block service project in Montclair, CA?

Handyman for Multiple Small Project Service

Faucets, Fixtures and Pipes Repair or Replace

Electrical Switches, Outlets & Fixtures Install or Repair

Verified Reviews for Glass Block Service pros in Montclair, CA

Find Glass block pros in Montclair

Affordable Frameless Shower Door Inc

Affordable Frameless Shower Door Inc

COIT Cleaning and Restoration Of Inland Empire

COIT Cleaning and Restoration Of Inland Empire

Royal Group Construction

Royal Group Construction

Custom Shower Doors

Custom Shower Doors

GJB Construction

GJB Construction

Sterling Tile & Stone

Sterling Tile & Stone

Blue Coast Remodeling

Blue Coast Remodeling

Rex Romano Builders

Rex Romano Builders

Gtz Construction

Gtz Construction

Zion Energy

Zion Energy

The Montclair, CA homeowners’ guide to glass block services

How to Install Glass Block Windows in 10 Steps

Glass Block Windows: Pros, Cons, Cost, and More

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