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April 2025 by Andrew Janson
I cannot say enough good things about the Team at Maryland Glass Block Inc. They were professional and detailed in their craftsmanship. Huge improvement to our home.
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October 2024 by Martha Shramek
Installation is professional and window looks fantastic. Highly recommend Maryland Glass Block.
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October 2024 by J N
10 star experience! From the estimate to the installation, every interaction was great. The quality is first rate- these block windows are symmetrical, proportional, and just “look correct”. They are mortar jointed for longevity and strength. My previous home had block windows from an unnamed “big box” store- about the same price but odd size blocks and siliconed together-garbage by comparison.
MD Glass Block installers were prompt, clean, polite, and did an excellent job.
Happy to support this stellar local business. I only regret not calling them sooner.
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October 2023 by UtilityCampus
Quick, thorough installation of a great looking glass block window. My only regret is that I didn’t take a “before” photo for comparison. It’s well worth the time.
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October 2023 by legalbro
Quick, thorough installation of a great looking glass block window. My only regret is that I didn’t take a “before” photo for comparison. It’s well worth the time.
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September 2023 by Odogwu Obi Linton
Quick, thorough installation of a great looking glass block window. My only regret is that I didn’t take a “before” photo for comparison. It’s well worth the time.
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July 2023 by Cherie King
Very professional. Showed up on time and work was done. Cleaned up too very well! I am pleased with my block glass basement window. I would recommend them.
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March 2023 by Sheila Washington
Excellent top notch work. So thankful for this company for working with my schedule and getting my job done in a quick, timely and professional manner. If you need glass block windows don't go anywhere else. This is the place to go. Will be using this company again
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March 2022 by Green Manalishi
We are very happy with our new glass block basement windows from Maryland Glass Block. Don measured our windows and showed us the options available for the block style as well as open/close vents and dryer vent. In short order, Scott called and setup a time for install. The install team arrived at the arranged time and did a perfect job removing the old window frames and installing the new glass block windows. The end result looks fantastic. Thanks to Don, Scott and the install team.
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March 2022 by Michael Metalios
This is a rare treat, but from start to finish, Maryland Glass Block was outstanding. Don came out for the site survey and was very personable and professional. We put a deposit, the block was ordered, and ready in about two weeks. We scheduled the install and the installers arrived the day planned. They were quick, professional, and clean. We didn't have to clean up after them. The job looks great and I couldn't be happier. Thanks so much everyone. We really appreciate your knowledge and professionalism. You definitely will get referrals from us.
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March 2022 by Matthew Sabo
Maryland Glass Block is simply wonderful! From the first phone call and email, to the measurement, and finally the installation, I can't say enough good things about the team there! It actually came out so much more beautiful than I expected, and the quality of their work and products, just amazing. The team who did the installation were nothing short of WIZARDS in their craft! Professional, courteous, and just amazing artists in their work. I'll gladly give them an A+ for a job very well done, and look forward to having them back, and using them again, for any future projects! The whole team at Maryland Glass Block is just amazing! Thank you, it was an absolute pleasure doing business with you all!
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February 2021 by William S.
MD Glass Block replaced a basement bathroom window with glass block. The quality of the product is great. The installers were quick, efficient and professional. I highly recommend this company. Customer service is tops!
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March 2020 by Sheila Jefferson
From beginning to end, I had excellent service. Scott was awesome at communicating and Skip and Will, the installers were great! I most definitely would recommend these guys for your glass block needs!
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May 2017 by Jay T.
They did an incredible job and came all the way to Gaithersburg from Baltimore. Highly recommended! The pictures I added speak for themselves. My windows were the boarded, broken down busted up junk and then the after job, by Maryland Glass Block. The crew was fast, friendly and the price was VERY affordable and this company is AWESOME!
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March 2017 by Dave De Voto II
Can't be beat for custom glass block windows
