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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon13
    Verified glass block services reviews

Verified Reviews for Glass Block Service pros in Winthrop Harbor, IL

*The Angi rating for Glass Block Service companies in Winthrop Harbor, IL 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 Winthrop Harbor, IL 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

Find Glass block pros in Winthrop Harbor

Elite Concrete

2131 N 56th St
No reviews yet

Elite Concrete

2131 N 56th St
No reviews yet
10 years of experience

Our goal is to make sure your concrete or masonry experience is a pleasant one, while adding value throughout the process. Big or small we have the knowledge & the tools to tackle large commercial jobs, as well as residential concrete projects.

Our goal is to make sure your concrete or masonry experience is a pleasant one, while adding value throughout the process. Big or small we have the knowledge & the tools to tackle large commercial jobs, as well as residential concrete projects.

Infinite Construction

Unknown
No reviews yet

Infinite Construction

Unknown
No reviews yet
9 years of experience

Infinite Construction is a starting company. With our great service we will make sure that you are satisfied to the fullest extend. At IC we see customers as an extension to our family bringing you the best quality work and materials at a price that will not hurt your wallet.

Infinite Construction is a starting company. With our great service we will make sure that you are satisfied to the fullest extend. At IC we see customers as an extension to our family bringing you the best quality work and materials at a price that will not hurt your wallet.

Glass Specialists Inc.

220
3.00(
2
)

Glass Specialists Inc.

220
3.00(
2
)
11 years of experience

Glass Specialists Inc. offers over 10 years of glazing experience. We are a family owned Company with great values, customer oriented and with strong beliefs that employees are our best asset. ​ ​We are here to help you in any glass project that you have, keeping our promise "Reliable and Reasonable" We can guarantee you quality and punctuality in our job performing. Your approval is our best achievement.

"I have held off on posting a review because I was hoping for a resolution. However, I've been waiting since May and it's now October. I hired this company twice. Each time they mismeasured the windows. The first batch of windows were installed incorrectly with the weep holes for water drainage blocked by the sill. Their own installer said they were a "tight fit." Custom windows should NEVER be a tight fit... they should fit just right. The second time they mismeasured the windows by nearly a foot, and they had to cut the framing of the living room open to accommodate. They left a mess of shards of glass in my lawn because they used hammers to remove the old glass. They were supposed to fix the weep holes. They have sent people out at least three times who all said that these were done incorrectly. They have not yet fixed any of the problems. I'm attaching photos to show how there's no way that water can drain from the window well which was pointed out to me when I had my windows washed professionally. They have been consistently late, the quality is lacking, and they aren't supporting their product or service. I have tried to be patient and supportive of a local small business. However, they have been paid in full but will not fully warrant their work from defects so far."

Rich C on October 2022

Glass Specialists Inc. offers over 10 years of glazing experience. We are a family owned Company with great values, customer oriented and with strong beliefs that employees are our best asset. ​ ​We are here to help you in any glass project that you have, keeping our promise "Reliable and Reasonable" We can guarantee you quality and punctuality in our job performing. Your approval is our best achievement.

"I have held off on posting a review because I was hoping for a resolution. However, I've been waiting since May and it's now October. I hired this company twice. Each time they mismeasured the windows. The first batch of windows were installed incorrectly with the weep holes for water drainage blocked by the sill. Their own installer said they were a "tight fit." Custom windows should NEVER be a tight fit... they should fit just right. The second time they mismeasured the windows by nearly a foot, and they had to cut the framing of the living room open to accommodate. They left a mess of shards of glass in my lawn because they used hammers to remove the old glass. They were supposed to fix the weep holes. They have sent people out at least three times who all said that these were done incorrectly. They have not yet fixed any of the problems. I'm attaching photos to show how there's no way that water can drain from the window well which was pointed out to me when I had my windows washed professionally. They have been consistently late, the quality is lacking, and they aren't supporting their product or service. I have tried to be patient and supportive of a local small business. However, they have been paid in full but will not fully warrant their work from defects so far."

Rich C on October 2022

Chicagoland Window Wizards

216 Emerald Dr
3.00(
1
)

Chicagoland Window Wizards

216 Emerald Dr
3.00(
1
)
Customers say: Quick response
13 years of experience

Chicagoland Window Wizards is a family owned and operated business where we treat your family like ours. We will beat any comparable offer by 5%!

"Karl came out and looked at our windows and gave us a brief presentation about the windows he offers. He wrote down some good prices for us. After talking with my husband I called back and asked for a complete quote, including information on what things would be included, such as permits, licensing, which windows, etc, so we could agree to specifics. Among other things, he replied that he does not do permits with the city because he doesn't think they are necessary. When I pressed him for an actual contractual estimate listing what would be included (not just a hand-written estimate on the back of a paper), he said he did not think we would work well together and he did not need my business. He hoped I had a nice day. I was astounded. The lack of professionalism and the number of red flags really ruined my experience with this company. Is it a shady company? I don't know. But I am surprised that actually writing an official estimate would mean we are being difficult customers. It's too bad because he was personally very nice and as I said the initial prices were fantastic. Apparently, it was simply too good to be true."

Rebecca R on August 2020

Chicagoland Window Wizards is a family owned and operated business where we treat your family like ours. We will beat any comparable offer by 5%!

"Karl came out and looked at our windows and gave us a brief presentation about the windows he offers. He wrote down some good prices for us. After talking with my husband I called back and asked for a complete quote, including information on what things would be included, such as permits, licensing, which windows, etc, so we could agree to specifics. Among other things, he replied that he does not do permits with the city because he doesn't think they are necessary. When I pressed him for an actual contractual estimate listing what would be included (not just a hand-written estimate on the back of a paper), he said he did not think we would work well together and he did not need my business. He hoped I had a nice day. I was astounded. The lack of professionalism and the number of red flags really ruined my experience with this company. Is it a shady company? I don't know. But I am surprised that actually writing an official estimate would mean we are being difficult customers. It's too bad because he was personally very nice and as I said the initial prices were fantastic. Apparently, it was simply too good to be true."

Rebecca R on August 2020

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FAQs for glass block service projects in Winthrop Harbor, IL

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

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.

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.

The Winthrop Harbor, IL 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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