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Maryland Glass Block, Inc.
4.9(
17
)

Serving Kettering, MD and surrounding areas

In business since 1983

Free estimates

Credit card accepted

"Don made the drive out to my home to measure my existing basement window openings. He then sat down with me and explained to me what my options were as far as glass blocks and different features available. He was fully prepared to show me how MGB produces the windows and the install process. I thought the pricing was very fair and they had the block windows finished in just a few days. Both Don and Scott in the office were extremely professional and answered every question I had. I would highly recommend Maryland Glass Block."
Response time2 days
Recommended by100%of homeowners
Avatar for Budget Glass & Design LLC
Budget Glass & Design LLC
4.0(
47
)

Serving Kettering, MD and surrounding areas

"I called and he was able to come right away and pick up the table.  Promised to have it ready in one week, and true to his word, had it back the following Saturday.  Delivered the table, and reinstalled the medicine cabinet mirror.  I am very pleased with the service and the job.  Would recommend him and would use him again.
"
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+8

Recommended by78%of homeowners
Avatar for GLASSFINITYUSA COMPANY LLC
GLASSFINITYUSA COMPANY LLC
5.0(
1
)

Serving Kettering, MD and surrounding areas

In business since 2023

Free estimates

Emergency services offered

Glass Finity Usa is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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+17

Response time20 mins
Response rate100%
Recommended by100%of homeowners
EJALE Group, LLC
3.8(
23
)

Serving Kettering, MD and surrounding areas

In business since 2014

Free estimates

Credit card accepted

"EJALE did a complete roof and gutter installation. The crew was professional. The job was done in a timely manner and all debris were cleaned up and discarded appropriately. They communicated with me throughout the process of repairs. I am so very please with their work. The price was a very good price. I would definitely recommend this company to my friends."
Response time1 day
Recommended by92%of homeowners
Apex Glass And Doors
New to Angi

Serving Kettering, MD and surrounding areas

Free estimates

Emergency services offered

Warranties offered

At Apex Glass & Doors, we specialize in delivering top-tier residential and commercial glass and door solutions across Alexandria, VA, Washington D.C., and surrounding areas. From fast response emergency repairs to custom installations, we handle every project with precision, professionalism, and care\n🛠 Residential Glass & Door Services\nExpert repair and replacement for broken or foggy windows, patio doors, sliding glass doors, and shower enclosures\n\nCustom frameless shower doors, sliding or framed enclosures, and steam-room glass systems\n\nEntry door glass inserts and storm door installation or repair, improving security and curb appeal\n🏢 Commercial Glass & Door Services\nStorefront glass repair and replacement for businesses\n\nCommercial door installations, heavy-duty aluminum or hollow-metal systems\n\nADA‑compliant automatic doors, panic bars, closers, and commercial hardware upgrades\n\nEmergency board-up and same-day repairs with minimal downtime

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Glass Block questions, answered by experts

Regular cleaning with non-abrasive cleaners helps prevent buildup and maintains clarity.

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. 

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.

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.

DIY is possible for small projects, but professional installation ensures proper sealing, structural integrity, and a precise finish.

The Kettering, MD homeowners’ guide to glass block services

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