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November 2023 by Rick Liszewski
Had 3 glass block windows installed today by Orist. Cannot say enough about what a nice, professional person he is, and he did a wonderful, clean, thorough job! The windows are a HUGE improvement and we are so happy with the job he did. Also, we want to thank Michael who was the person we spoke with who scheduled our estimate, job, etc. Top notch all the way around. Thank you so much, Orist, Michael, and Keystone Glass Block for doing such a wonderful job! We are so grateful!
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November 2023 by Dorothy C. Handfield
We are so pleased with our new windows. The customer service at Keystone Glass Block was wonderful. Every question was answered. Thank you so much.
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November 2022 by Tamica C
Gene and his team are very friendly and professional! I had 3 glass block windows installed today and I am very pleased with the work!! They worked fasted, neat and cleaned up everything taking the trash with them!! I HIGHLY recommend Keystone Glass Block!!! I posted before and after photos.
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November 2022 by Darryl Schenck
Always a good experience with Gene
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November 2021 by Amber Hill
My experience went very well. My basement looks a thousand times better because of these windows. Also what impressed me besides the men who did the installation was that Gene, the owner, listened to me when I wanted to have two vents instead of one for one of the windows. Also, the vent for the bathroom was made bigger which is what I wanted. Great job all around with the taking of my request, measuring the windows, the price, and the installation. Plus Gene gave me a great tip about getting a dehumidifier.
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November 2021 by jerry downs
They did an outstanding job. The two men were completely professional and cleaned up after. They wore masks and i’d recommend their company anytime.
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April 2021 by Trish P.
Worked with Gene at Keystone Glass Block for installation of a fairly large window in our powder room. After coming out to measure, they built the window at their location in about a week. They just installed the window this morning in a few short hours. The window is GORGEOUS and the workmanship is excellent.Not only does the company come out when they say this will, they come at the very minute they say they will! And they keep you apprised of the process of your project.I would highly recommend Keystone!!
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November 2020 by camille edwards
I am happy with the service from beginning to end. This is a supplier therefore their price was much lower than the five companies I called for estimates. The installation went smoothly and completed within a short time. I highly recommend using this company as I will again. Thank you Gene!
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November 2020 by Theresa Butler
Keystone did an excellent job installing glass block window for my basement window. I am extremely happy with the work.
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November 2019 by Howard Miller
Gene and his team are as good as it gets. They are the premiere glass block dealer and installer in the entire area. Other professionals buy their glass block from them. The installation was perfect and didn’t disrupt my finished basement. They installed 3 glass block windows and were remarkable. Hire them. You won’t be disappointed.
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November 2019 by Morris Thomas
The windows that were installed at my location are of premium quality! The workers were totally professional. I am completely satisfied. And, I definitely recommend this business!
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November 2019 by Carol Petroski
Window done today. Fast and beautifully done. No clean up necessary. Would highly recommend this company.
