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Q: How much does it cost to install glass blocks?

• <div><p>Installation costs range from $400 to $1,500, depending on wall size, design complexity, and labor.</p></div>

Q: Is heavy glass more expensive?

• <div><p>Heavy glass tends to be more expensive than thin glass because it is stronger and more durable. In most cases, &frac14;-inch-thick glass is ideal for mirrors, and ⅛-inch-thick glass is ideal for residential windows. Heavier glass isn&rsquo;t always necessary, and can be more challenging to hang or install. Work with a local window installation pro for replacement or new construction windows.</p></div>

Q: Why is glass block so expensive?

• <div><p>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&rsquo;ll need to repair them before beginning the project, increasing your bottom line. </p></div>

Q: What are the benefits of glass block windows?

• <div><p>If you like to be certain of your privacy at home, glass block windows might be your match. They offer privacy without preventing light from entering, while also providing enhanced security. Plus, they <a href="https://www.angi.com/articles/4-steps-improve-home-energy-efficiency.htm">increase your home&rsquo;s energy efficiency</a>.</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>

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Verified Reviews for Glass Block Window Service pros in Lennox, SD

*The Angi rating for Glass Block Window Service companies in Lennox, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Window Service needs.

*The HomeAdvisor rating for Glass Block Window Service companies in Lennox, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Window Service needs.

Last update on December 13, 2025

Reviewed in April 2025
We recently had all the windows in our house replaced through Mad City. We were so impressed with the entire experience, from sales to completion! The windows are amazing quality, and we could tell a difference in our house within an hour of getting home. And in an old, slightly off kilter...
Mad City Windows & Baths
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Reviewed in March 2023
Dasha always shows up on time to clean our 1500 square foot apartment that we have on short term rental. She does a through job every time she cleans. She vacuums all the floors, and then mops the wood and tile floors. She wipes down all the windows that have shades, cleans the bathroom and...
HelpExpert
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Reviewed in October 2022
We had a problem with a couple of our oven burners going to high heat when set on low and Home Warranty Inc. was contacted to make a claim. They said to use anyone but Doug's Appliance. A technician came out from another company and said due to the age of the oven and the cost of parts it wasn't...
Home Warranty Inc
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Reviewed in May 2022
The job was a hard one with glass tiles and mosaics. Vlod (owner) fixed all my mistakes on the prep and did a fantastic job for a great price. He kept a clean workplace and finished in a very short period of time. Overall I would hire him again in a heartbeat.
VC Quality Construction LLC
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Reviewed in May 2022
Andrea was great to work with and she wasn't pushy like a few others I got quotes from. She knew the product and was able to answer questions. Brett and Aurelio was great when they came to install the windows. They explained how the process was going to go and how long it should take. Great...
Custom Windows Plus
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Reviewed in August 2021
Ben was my rep and he explained the company, windows, and process of how everything works very well. There were really no surprises and the entire process went smoothly. He even came back after install to check on them with me and answered all of my questions. Great experience!
Your Home Improvement Company, LLC
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Reviewed in June 2020
They said all subcontractors they tried to hire wouldn't do it for that low of price. I suppose, since I was informed it would require 200 gallons of stripper at $50 per gallon and 200 gallons of stain at $50 per gallon to do my house...that alone happens to come up to $20,000. Although they...
Restoration-RX, LLC
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Reviewed in February 2019
It took 5 1/2 months to complete the job. We are still having some problems with the windows but they are still involved in trying to resolve the issues.
Your Home Improvement Co - Sioux Falls
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Reviewed in April 2018
The windows they sold arent living up to their demonstrations. I took an infrared thermometer reading of new windows vs old and there wasnt much difference in how much cold was being let in. The installation crew tracked everywhere in the house, and left a nail and screw on the floor which I...
Your Home Improvement Company
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Reviewed in March 2016
I should have had them out a long time ago, when the water pressure had dropped, I had apparently waited long enough that the filters had become clogged and stopped up. The service tech showed up within the allotted time window, but at the very end of it. I was wondering if he was even going to...
Culligan Water of Sioux Falls SD
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