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  • Average homeowner rating star icon4.3
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  • Verified reviews icon23
    Verified glass block window services reviews

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Avatar for Window Nation Pittsburgh

Window Nation Pittsburgh

4.67(
446
)
Approved Pro

Window Nation Pittsburgh

4.67(
446
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
19 years of experience

At Window Nation, we know replacement windows. We’re third-generation window replacement experts who have been lucky to provide homeowners replacement windows, siding, and doors for over fifteen years. We opened our first showroom in Maryland in 2006, quickly growing to serve homeowners in cities across the country – and we’re not stopping there. We’re grateful for every homeowner who has trusted us to upgrade their most important asset: their home. We’ve learned a lot about home improvement over the years, but the most important thing we learned isn’t about window replacement. We learned the home improvement industry isn’t about offering the best windows, siding and doors; it’s about the relationships we build with our customers.

"The windows are wonderful!"

Linda And Ed K on November 2025

At Window Nation, we know replacement windows. We’re third-generation window replacement experts who have been lucky to provide homeowners replacement windows, siding, and doors for over fifteen years. We opened our first showroom in Maryland in 2006, quickly growing to serve homeowners in cities across the country – and we’re not stopping there. We’re grateful for every homeowner who has trusted us to upgrade their most important asset: their home. We’ve learned a lot about home improvement over the years, but the most important thing we learned isn’t about window replacement. We learned the home improvement industry isn’t about offering the best windows, siding and doors; it’s about the relationships we build with our customers.

"The windows are wonderful!"

Linda And Ed K on November 2025


Avatar for MHI Roofing

MHI Roofing

4.50(
331
)
Approved Pro

MHI Roofing

4.50(
331
)
Approved Pro
Customers say: Quality work
46 years of experience
Free onsite estimate

For 45+ years, MHI Roofing has served the residential and commercial roofing needs of Pittsburgh-area homeowners and business owners. Whether you're interested in a full roof replacement or minor roof repairs, we proudly offer free estimates and factory-certified service. MHI Roofing has the tools, knowledge, and experience to make your roofing project a success. We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I will start off with the initial dealing with MHI Roofing in Bethel Park PA. Our Condo Community had all the roofs on 6 buildings of total 39 units re shingled in June of 2024 to the tune of nearly $140,000. They were fast and efficient. However, a few weeks down the road we had some issues with items that should have been done as requested. Called the Site Supervisor, Cam Kinnee, submitted the service request, and it took over a month to get this service done and completed. A few weeks later, we had heavy winds and a flue cap blow off, mind you, these flue caps were original from 1974 and were in horrible shape. They should have been replaced, but MHI just painted the old ones. So, I contact Cam Kinnee again, he schedules service, this took another month to get this taken care of, or so I thought. Fast forward to January 2025, some winds blew another flue cap off, I contacted Cam Kinnee once more, he was unable to do anything, as he was in a training class. During my wait for him to return my message from Jan 22, 2025 to Feb 3, 2025. Still not service on the first flue cap by the way!... March 11, 2025 another flue cap on another unit had blown off. I contacted Cam once again, he said he would let his office know. I get a response from Cam informing me that he no longer works for MHI Roofing. Since then I have called MHI numbers about 20 times at MHI Office in Mt Lebanon, I have left messages, no returned calls, no one answers the phone... I am so frustrated with MHI. If you plan to use this company... Please reconsider... Once they have your money they do not service their work! Very disappointed! BEWARE OF MHI!!"

Michael S on April 2025

For 45+ years, MHI Roofing has served the residential and commercial roofing needs of Pittsburgh-area homeowners and business owners. Whether you're interested in a full roof replacement or minor roof repairs, we proudly offer free estimates and factory-certified service. MHI Roofing has the tools, knowledge, and experience to make your roofing project a success. We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I will start off with the initial dealing with MHI Roofing in Bethel Park PA. Our Condo Community had all the roofs on 6 buildings of total 39 units re shingled in June of 2024 to the tune of nearly $140,000. They were fast and efficient. However, a few weeks down the road we had some issues with items that should have been done as requested. Called the Site Supervisor, Cam Kinnee, submitted the service request, and it took over a month to get this service done and completed. A few weeks later, we had heavy winds and a flue cap blow off, mind you, these flue caps were original from 1974 and were in horrible shape. They should have been replaced, but MHI just painted the old ones. So, I contact Cam Kinnee again, he schedules service, this took another month to get this taken care of, or so I thought. Fast forward to January 2025, some winds blew another flue cap off, I contacted Cam Kinnee once more, he was unable to do anything, as he was in a training class. During my wait for him to return my message from Jan 22, 2025 to Feb 3, 2025. Still not service on the first flue cap by the way!... March 11, 2025 another flue cap on another unit had blown off. I contacted Cam once again, he said he would let his office know. I get a response from Cam informing me that he no longer works for MHI Roofing. Since then I have called MHI numbers about 20 times at MHI Office in Mt Lebanon, I have left messages, no returned calls, no one answers the phone... I am so frustrated with MHI. If you plan to use this company... Please reconsider... Once they have your money they do not service their work! Very disappointed! BEWARE OF MHI!!"

Michael S on April 2025


Avatar for RedLine Contracting

RedLine Contracting

4.90(
42
)
Approved Pro

RedLine Contracting

4.90(
42
)
Approved Pro
Super Service Award
Customers say: True professional
7 years of experience
Free onsite estimate

RedLine Contracting Is A Fully Insured, Family Owned And Operated Company. From General Contracting, To Handyman Projects, You Can Always Rely On Us To Get The Job Done Right! With Free Estimates, Theres No Need To Wait! Reach Out Today On Google, Angi, Or Directly Through Our Website. We Look Forward To Working With You!

"Pro was very friendly, professional, competent, and efficient. He went above and beyond what was required to complete the job."

Steven W on November 2025

RedLine Contracting Is A Fully Insured, Family Owned And Operated Company. From General Contracting, To Handyman Projects, You Can Always Rely On Us To Get The Job Done Right! With Free Estimates, Theres No Need To Wait! Reach Out Today On Google, Angi, Or Directly Through Our Website. We Look Forward To Working With You!

"Pro was very friendly, professional, competent, and efficient. He went above and beyond what was required to complete the job."

Steven W on November 2025


"Very organized. Worked very well together. They are just really nice people!"

Karla C on August 2021

do

"Very organized. Worked very well together. They are just really nice people!"

Karla C on August 2021


Avatar for Rite Window & Bath

Rite Window & Bath

4.55(
20
)
Approved Pro

Rite Window & Bath

4.55(
20
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
25 years of experience

Rite Window has a proven history of customer satisfaction and service. Since August 2000, we have helped over 35,000 homeowners in New England replace their windows, doors, or shower and bath systems. Headquartered in Woburn, MA, Rite Window is locally owned and operated and serves the entire Greater Boston area, including Southern New Hampshire. We urge you to learn more about our company by talking to your neighbors and reading our reviews online. To see our full website, please visit us at www.RiteWindow.com to learn more about Rite Window and all of our product offerings.

"Great service"

anthony M on June 2025

Rite Window has a proven history of customer satisfaction and service. Since August 2000, we have helped over 35,000 homeowners in New England replace their windows, doors, or shower and bath systems. Headquartered in Woburn, MA, Rite Window is locally owned and operated and serves the entire Greater Boston area, including Southern New Hampshire. We urge you to learn more about our company by talking to your neighbors and reading our reviews online. To see our full website, please visit us at www.RiteWindow.com to learn more about Rite Window and all of our product offerings.

"Great service"

anthony M on June 2025


Avatar for House & Home

House & Home

5.00(
12
)
Approved Pro

House & Home

5.00(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
25 years of experience
Free onsite estimate

I am an owner operated carpentry and maintenance service with 35 years of knowledge and experience. I work inside and outside. Working on any building from top to bottom. I have built new homes and remodeled all rooms in old homes. I build, install, patch, paint and fix most anything.

"Darrin was incredibly responsive. We needed a very large refrigerator moved into our kitchen from a ramp adjacent to our house as soon as possible (our current fridge had failed with no recourse for repair, and we had hundreds of $$ of food standing by in a large ice chest). He was able to come within 90 mins of our "cold" calling him, & was very knowledgeable, fast and expert at securing the replacement to an appliance cart we provided & navigating up a double-back ramp behind out house, into side entrance and past a very narrow space into our kitchen. This required removing side entrance door from its hinges, and removing fridge doors (and then replacing once positioned in the kitchen), which he did expertly and quickly. Darrin was very friendly, courteous, knowledgeable and fast. We learned he also does carpentry work, and given his excellent work will reach out to him for a project we will have in the spring once the weather warms up. Would highly (highly) recommend. "

Regina V on December 2025

I am an owner operated carpentry and maintenance service with 35 years of knowledge and experience. I work inside and outside. Working on any building from top to bottom. I have built new homes and remodeled all rooms in old homes. I build, install, patch, paint and fix most anything.

"Darrin was incredibly responsive. We needed a very large refrigerator moved into our kitchen from a ramp adjacent to our house as soon as possible (our current fridge had failed with no recourse for repair, and we had hundreds of $$ of food standing by in a large ice chest). He was able to come within 90 mins of our "cold" calling him, & was very knowledgeable, fast and expert at securing the replacement to an appliance cart we provided & navigating up a double-back ramp behind out house, into side entrance and past a very narrow space into our kitchen. This required removing side entrance door from its hinges, and removing fridge doors (and then replacing once positioned in the kitchen), which he did expertly and quickly. Darrin was very friendly, courteous, knowledgeable and fast. We learned he also does carpentry work, and given his excellent work will reach out to him for a project we will have in the spring once the weather warms up. Would highly (highly) recommend. "

Regina V on December 2025


" Renewal by Andersen of Wyoming did an incredible job with installing windows in our home. Thank you to the team who did the install and to the company for creating these exceptional windows."

Janita K on December 2025

Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation

" Renewal by Andersen of Wyoming did an incredible job with installing windows in our home. Thank you to the team who did the install and to the company for creating these exceptional windows."

Janita K on December 2025


Avatar for Source 4 Window and Door

Source 4 Window and Door

5.00(
5
)
Approved Pro

Source 4 Window and Door

5.00(
5
)
Approved Pro
Super Service Award
Customers say: Quick response
1 years of experience
Free onsite estimate

We specialize in windows and doors! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Great service and very professional. Workers where careful and cleaned up after they were finished. Awesome job guys !"

Paul s on April 2025

We specialize in windows and doors! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Great service and very professional. Workers where careful and cleaned up after they were finished. Awesome job guys !"

Paul s on April 2025


Avatar for Source 4 Window and Door

Source 4 Window and Door

4.83(
6
)
Approved Pro

Source 4 Window and Door

4.83(
6
)
Approved Pro
Customers say: Quick response
1 years of experience
Free onsite estimate

30+ Years of Experience We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I am the Environmental Director for Shepherd of the Valley in Boardman, Ohio. They installed 29 windows for us and we Saved $200 per window! They worked closely with us and were very patient as we shuffled our residents around. ALL of the crew were courteous and they did fantastic work in record time! I highly recommend this company to Everyone!! R.Mould Environmental Services Director SOV-B"

Ralph M on November 2024

30+ Years of Experience We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I am the Environmental Director for Shepherd of the Valley in Boardman, Ohio. They installed 29 windows for us and we Saved $200 per window! They worked closely with us and were very patient as we shuffled our residents around. ALL of the crew were courteous and they did fantastic work in record time! I highly recommend this company to Everyone!! R.Mould Environmental Services Director SOV-B"

Ralph M on November 2024


Avatar for Keystone Remodeling & Restoration

Keystone Remodeling & Restoration

4.25(
9
)
Approved Pro

Keystone Remodeling & Restoration

4.25(
9
)
Approved Pro
7 years of experience
Free onsite estimate

Keystone Remodeling and Restoration, we are local, family-owned, and we provide top-notch, quality work at a fair price. We pride ourselves on exceptional customer service; before, during, and after your project is complete.

"While the quality of their work was very good, someone needs to screen the contractors for fair business practices. My "pro" forgot to mention that when I paid my bill with my debit card, there was a 3.75% surcharge for the "convenience." Cost me over $50 and when I brought it up all they had to say was "whoops, sorry." Also, I was being charged by the hour. I ended up paying 2 guys at $75/hour to stop by and pick up a few things at the store! $150 for picking up a few supplies?! Had I known, I would have gone and bought the stuff myself!"

Daniel T on November 2025

Keystone Remodeling and Restoration, we are local, family-owned, and we provide top-notch, quality work at a fair price. We pride ourselves on exceptional customer service; before, during, and after your project is complete.

"While the quality of their work was very good, someone needs to screen the contractors for fair business practices. My "pro" forgot to mention that when I paid my bill with my debit card, there was a 3.75% surcharge for the "convenience." Cost me over $50 and when I brought it up all they had to say was "whoops, sorry." Also, I was being charged by the hour. I ended up paying 2 guys at $75/hour to stop by and pick up a few things at the store! $150 for picking up a few supplies?! Had I known, I would have gone and bought the stuff myself!"

Daniel T on November 2025

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FAQs for glass block window service projects in Sligo, PA

If you have a problem with your window, such as broken glass, minor leaks, or a problem with your window being stuck, repairing the broken part might be a cheaper option than replacing the entire window. However, if you have a deteriorating window frame or major leaks, buying a new window will be the better long-term solution.

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

Window replacement costs between $180 and $410 per window, or an average of $280 per window. However, your specific replacement job could cost as little as $100 or as much as $750. Factors such as frame material, the number of windows you need, and the type of glass you order all impact the overall cost. For example, simple double-glazed windows will cost $3 to $6 per square foot, but the stronger tempered glass ranges from $12 to $14 per square foot.

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

The Sligo, PA homeowners’ guide to glass block window services

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