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Verified Reviews for Glass Block Service pros in Berwyn, PA

*The Angi rating for Glass Block Service companies in Berwyn, PA 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 Berwyn, PA 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 November 14, 2025

Find Glass block pros in Berwyn

D. Karpel Construction

4.79(
65
)
•Approved Pro

D. Karpel Construction

4.79(
65
)
•Approved Pro
Super Service Award
Customers say: True professional
36 years of experience
Free onsite estimate

Karpel Construction is your one stop shop for Windows, Doors, and Siding. We work with a number of manufacturers so your selection of style and product is unsurpassed. You are the leader of your project and I will only add expert suggestion and advice based on experience. With over a decade of experience working for you satisfaction is in evitable!

"Did an excellent job on glass block windows in basement. Prompt estimation and completion of job after windows came in."

Sean M on September 2025

Karpel Construction is your one stop shop for Windows, Doors, and Siding. We work with a number of manufacturers so your selection of style and product is unsurpassed. You are the leader of your project and I will only add expert suggestion and advice based on experience. With over a decade of experience working for you satisfaction is in evitable!

"Did an excellent job on glass block windows in basement. Prompt estimation and completion of job after windows came in."

Sean M on September 2025

Avatar for Alderfer Glass Co.

Alderfer Glass Co.

4.75(
36
)
•Approved Pro

Alderfer Glass Co.

4.75(
36
)
•Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
54 local quotes requested

Alderfer Glass Co. Inc. offers a wide variety of products and services geared towards the homeowner. We offer window and door replacement, replace foggy windows, mirrors, shower doors, furniture glass, custom glass projects and even glass railings. We are well recognized in the Delaware Valley for quality products and personalized designs. Give us a call today!

"Set an appointment, which was easy. The employee showed up on time, evaluated the required repairs, and the company sent us a competitive, adequate quotation by email. I have set up the repair appointment. Once again, the person showed up on time and replaced the faulty cranking mechanism quickly and professionally. Perfect job."

Leo G on November 2023

Alderfer Glass Co. Inc. offers a wide variety of products and services geared towards the homeowner. We offer window and door replacement, replace foggy windows, mirrors, shower doors, furniture glass, custom glass projects and even glass railings. We are well recognized in the Delaware Valley for quality products and personalized designs. Give us a call today!

"Set an appointment, which was easy. The employee showed up on time, evaluated the required repairs, and the company sent us a competitive, adequate quotation by email. I have set up the repair appointment. Once again, the person showed up on time and replaced the faulty cranking mechanism quickly and professionally. Perfect job."

Leo G on November 2023

Appalachian Preservation Services, LLC

No reviews yet

Appalachian Preservation Services, LLC

No reviews yet

Here at Appalachian Preservation we specialize in all things masonry! (New construction, restoration, tuck pointing) Brick, block, or concrete; cosmetic or leakage problems, Appalachian Preservation has you covered!!

Here at Appalachian Preservation we specialize in all things masonry! (New construction, restoration, tuck pointing) Brick, block, or concrete; cosmetic or leakage problems, Appalachian Preservation has you covered!!

R1 Contractors

No reviews yet

R1 Contractors

No reviews yet
9 years of experience

Family owed and Operated business.. Licensed and Insured We take pride in our work ..All jobs have their iwn individual warranty. ..All estimates are free

Family owed and Operated business.. Licensed and Insured We take pride in our work ..All jobs have their iwn individual warranty. ..All estimates are free

Phoenix

No reviews yet

Phoenix

No reviews yet
9 years of experience

We have a large crew of a workers covering every trade. Currently we are offering two forms of financing, Installment loans and Revolving credit lines. With our installment loans we can offer up to 12 months no payments and 0% down.

We have a large crew of a workers covering every trade. Currently we are offering two forms of financing, Installment loans and Revolving credit lines. With our installment loans we can offer up to 12 months no payments and 0% down.

Glass Doctor of Eastern PA

No reviews yet

Glass Doctor of Eastern PA

No reviews yet
13 years of experience

We are a locally owned and operated Glass franchise in the Northeast Philadelphia area. We specialize in give personal service and attention to each customer. All of our Specialist are trained in all areas of the Glazing Field.

We are a locally owned and operated Glass franchise in the Northeast Philadelphia area. We specialize in give personal service and attention to each customer. All of our Specialist are trained in all areas of the Glazing Field.

Avatar for Lockhart Construction LLC

Lockhart Construction LLC

5.00(
2
)

Lockhart Construction LLC

5.00(
2
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Lockhart Construction LLC provides detailed proposals and eliminates "Surprise" bills. Every aspect of your project is carefully examined and detailed in our proposals. We partner with the best in our industry to provide a superior product and customer experience. We accept all major credit cards. From a simple repair, a new kitchen or a full blown home renovation or addition. Lockhart Construction LLC "A Perfect Fit Every Time"

"Jim did an amazing job. His price was very fair and he showed incredible attention to detail. I've been a homeowner for over 30 years and this is hands down the best experience I have ever had with a contractor. I cannot recommend Lockhart construction strongly enough."

Patrick K on April 2021

Lockhart Construction LLC provides detailed proposals and eliminates "Surprise" bills. Every aspect of your project is carefully examined and detailed in our proposals. We partner with the best in our industry to provide a superior product and customer experience. We accept all major credit cards. From a simple repair, a new kitchen or a full blown home renovation or addition. Lockhart Construction LLC "A Perfect Fit Every Time"

"Jim did an amazing job. His price was very fair and he showed incredible attention to detail. I've been a homeowner for over 30 years and this is hands down the best experience I have ever had with a contractor. I cannot recommend Lockhart construction strongly enough."

Patrick K on April 2021

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Glass Block questions, answered by experts

Their thickness depends on application, but most glass walls are typically 3/8 to 3/4 of an inch thick. Although it’s not as common, single panes of glass can also be 1 inch thick.

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 blocks provide privacy, natural light diffusion, insulation, and a decorative aesthetic.

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

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.

The Berwyn, PA 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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