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>

Best glass block pros near Leo, IN

Q: What kind of mortar do you use for glass block windows?

• <div><p>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.</p></div>

Q: Do glass block windows come in different patterns and textures?

• <div><p>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.</p></div>

Q: Can you see through glass block windows at night?

• <div><p>You can still see vaguely into some types of glass block windows at night. Although there won&rsquo;t be clear definitions, passersby may still see shapes, shadows, and movement through the glass. If you want complete privacy, consider installing diamond glass block windows rather than the typical clear or wavy glass blocks.</p></div>

Q: What is the lifespan of glass block windows?

• <div><p>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.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your glass block service project in Leo, IN?

Select your specific project to find the pro for you.

Verified Reviews for Glass Block Service pros in Leo, IN

*The Angi rating for Glass Block Service companies in Leo, IN 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 Leo, IN 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 December 21, 2023

Reviewed in December 2023
I would not recommend this company. Here is a list of issues: Loose molding Broken glass in driveway Wood chips (saw dust) tracked throughout the house Stairway handrail and banister are broken loose from the wall Dirty fingerprints on walls surrounding windows Windows stickers not removed from...
Windows Doors & More
Request a quote
Reviewed in May 2021
The past 16 months have been the most horrible contracting experience that I have encountered. We signed a contract in January of 2020 and of May 2021, the project is still not completed. Non existent customer service, shotty work, non completion of the project, just to name a few. It took from...
Key Exteriors, Inc.
Request a quote
Reviewed in March 2019
14/69 ordered the rear view mirror and received the wrong mirror. They had to reorder the part and apologized for the mixup. A few days later they called me and got the correct rear view mirror. When I took my car in they apologized and said the part was ordered by Toyota and they got the last...
14/69 Auto Body Inc.
Request a quote
Reviewed in January 2019
Very impressed with the company, they were very easy to work with. The quality of the install was great and the installer was not only fun to be around he was very polite and respectful of my home. They put these windows in this winter and it has made a huge difference. Not only are they energy...
Home Pro Windows Siding & Doors, LLC
Request a quote
Reviewed in August 2018
Jeremy worked with us on the installation of our new glass subway tile backsplash. He was quick clean n his rates were great. We will definitely use him again for future projects
Stillwater Real Estate Services LLC
Request a quote
Reviewed in September 2015
We purchased our home in June 2013 and 6 windows need to be replaced, we contacted many companies, but after some appointments, checking on Angie's list and referrals we decided to go with Faerber's Bee Window. From the time that the sales representative met with us to now, 2 years later we had...
Faerber's Bee Window Inc
Request a quote
Reviewed in July 2014
Called to have a chimney sweep and possible maintenance done. During the sweep visit we discussed alternatives with Chuck and Chris. They were very knowledgeable and helpful when answering our questions. We did purchase a glass insert and are very happy with our decision. Yes, we would...
Dusty Brothers, Inc
Request a quote
Reviewed in May 2014
I went in to Deluxe Glass and was greeted right away. I had a piece of insulated glass that needed repaired. They explained to me all of my options and told me what would be the fastest and least expensive option for me. All the staff that I dealt with were very professional and helpful. The...
DELUXE GLASS OF FORT WAYNE INC
Request a quote
Reviewed in April 2014
I'd had several contractors come out to look at my front door because it was sticking, making it hard to open and close. It's a metal door with raised panels and leaded glass inserts. Most of the contractors told me I'd need a completely new door. One said I'd have to replace the entire door...
Honorable Home Repairs
Request a quote

Top-Rated Glass block pros in Leo - Updated Nov 2026

CJ Panel & Glass

5.0(

)

Glass Blocks - Install - For Business

Serving Leo, IN and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"They are very, very professional. Great company."

Response time40 mins

Recommended by100%of homeowners

Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Leo, IN and surrounding areas

In business since 1986

Free estimates

"1st. contact was promising quote came some what quickly. We discussed what did not show up on the quote he never gave an update. At that time we guessed they did not want the job so we chose one of our other contractors."

Recommended by94%of homeowners

Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Leo, IN and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"He was very reasonably priced, easy to work with, and did everything in a timely manner!"

Response time1 hour

Recommended by100%of homeowners

Request Quote

Hampton Enterprise LLC

3.7(

)

Stained or Specialty Glass - Repair

Serving Leo, IN and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"I only use James when I need some work done to my house. He responds fast, gets the work done quicker than just about anyone else I've ever used and seems very concerned with leaving his customers happy."

Recommended by60%of homeowners

Request Quote

Tectonic Window Systems

0.0(

)

Glass Blocks - InstallStained or Specialty Glass - Repair

Serving Leo, IN and surrounding areas

In business since 2002

We are a professional full service home improvement specialists who pride ourselves in providing quality workmanship at a fair price. Good customer service is of utmost importance to us.

Request Quote

J.N.S. Construction, LLC

New to Angi

Glass Blocks - Install

Serving Leo, IN and surrounding areas

In business since 2001

J.N.S. Construction, LLC has been serving the local communities since 2001. We pride ourselves on our quality materials and craftsmanship. Please allow our experience and professionalism to work for you and your families needs.

Request Quote

Glass Block FAQs, answered by experts

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.

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.

You can still see vaguely into some types of glass block windows at night. Although there won’t be clear definitions, passersby may still see shapes, shadows, and movement through the glass. If you want complete privacy, consider installing diamond glass block windows rather than the typical clear or wavy glass blocks.

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.

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 Leo, IN homeowners’ guide to glass block services

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

See all articles

Angi
•
Oct 21, 2026Oct 21, 2026
How Much Does Glass Block Window Installation Cost? [2026 Data]
Discover the average glass block window installation cost, including key price factors and tips to help you budget your project with confidence.
Angi
•
Oct 30, 2026Oct 30, 2026
How Much Does a Glass Wall Cost? [2026 Data]
Find out the average glass wall cost, including installation, materials, and ways to save. Get transparent pricing and tips for your glass wall project.
Haley Nothstein
•
Oct 28, 2026Oct 28, 2026
How Much Does It Cost to Cut Glass? [2026 Data]
Discover how much you’ll pay for a glass cutting project, exploring key cost factors like the size, type of glass, and project intricacy.
Angi
•
May 21, 2026May 21, 2026
Who to Hire for Glass Block Installation
Not sure who to hire to install glass blocks? Learn which pros handle glass block installation and what to expect before you book.
Gemma Johnstone
•
Aug 4, 2026Aug 4, 2026
9 Tips for Building a Stylish Curved Wall Using Glass Blocks
Glass block walls are having a resurgence in home-design popularity. If you’re building a curved wall using glass blocks, follow these tips for success.
Xiao Faria daCunha
•
Aug 4, 2026Aug 4, 2026
How to Install Glass Block Windows in 10 Steps
Learn how to install glass block windows with our detailed guide that shares what you need to know about buying materials, DIYing, and more.