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Top-Rated Glass block pros in Clements - Updated Nov 2026

Avatar for Glass Impressions
Glass Impressions
4.8(
23
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Damon is great to coordinate with. He’s kind and funny, accommodating and makes scheduling great. They did a wonderful job replacing the window glass and have a 3 year warranty. I have used them on patio doors in the past as well!"
Automotive
Residential
Commercial
Recommended by100%of homeowners
Avatar for C&S Custom Shower Doors LLC
C&S Custom Shower Doors LLC
4.7(
51
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"They were very knowledgeable and courteous. They removed the old shower door and frame, cleaned up, and installed new one in 2 hours. Followed up throughout process from initial meeting to delivery of glass to install and completion."
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+2

Recommended by97%of homeowners
Royal Glass Company
4.9(
13
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

In business since 1971

Free estimates

Credit card accepted

"oThis was a great experience start to finish. The price is solid, beating out my insurance company's provider by a good $80 - $100, the work was scheduled and performed quickly and the windshield looks good.
I used the $25 off coupon I printed  from Angies list without a problem, which brought the cost from 255 down to 230.
My insurance company's placed wanted $298 plus tax plus $29.95 to come out
to me to fix it. Royal did all that for the flat $255.
Definitely would use them again if I needed to replace any of my car's glass.
"
Recommended by100%of homeowners
Glass Window Door Repair & Replacement by BWD
4.5(
40
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

In business since 1978

Free estimates

Emergency services offered

"William from Boston Windows was exceedingly professional and up front. I called him for a quote to replace the windows in my townhouse. He was able to come to my house the next day to take measurements. He has been doing installations since he was 16 and had alot of knowledge. Prior to the visit, he had me send some photos of my windows to try to gage the price of the job better as well. Long story short, Mr. Boston tried to price match one of my quotes for me, but there ended up being a problem with the way my windows were cut in the townhouse on the outside, which would have increased the cost of the job by several hundred dollars because he has to pay staff to do it (vs. the other company, whose labor is all in-house). In other words, he couldn't match the price after all because I was already offered a discount from the other company and the job was so complicated. The other window companies would not have paid attention to the level of detail Mr. Boston had specified, but I ended up making my decision due to budget reasons. Mr. Boston even went and looked at my neighbor's windows to compare the architecture (since town houses are supposed to be built the same). Mr. William did not pressure me in a sale like some other companies and was up front about the cost and what I was going getting myself into if I went with X, Y, or Z. He told me flat out, that if the other similar company could keep everything in-house and could cut me a really good deal, I should go with them. Because of that, I really appreciate it. I would recommend giving BWD windows a chance if you are on the market for windows; he will try his best to work with the prices, being a one-man shop. If you have a really complicated job that would significantly affect the functioning of your house however, I would also recommend having his expertise on the job. I will be calling him if I ever need a repair on a window or door down the line."
Recommended by91%of homeowners
Avatar for Old Line Glass & Mirror LLC
Old Line Glass & Mirror LLC
5.0(
5
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"It was an overall great experience!! I called old line glass explaining my dilemma. They came to give me an estimate 2 days later. The best part of all was they were able to do most of the work that same day. I thought they were going to have to order glass or at least the screens, but to my surprise he cut the glass right then and there and made the screens. Very happy would definitely recommend them."
Extra large insulated glass units
Extra large insulated glass units
Extra large insulated glass units
Extra large insulated glass units
Extra large insulated glass units

+20

Recommended by100%of homeowners
Avatar for Mega Kitchen and Bath
Mega Kitchen and Bath
4.8(
196
)
Stained or Specialty Glass - Repair

Serving Clements, MD and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"We used the Mega Kitchen and Bath in Silver Spring. We worked with Abrihim who helped us design our bathroom remodel. Grover and his assistant did the work. They came in the morning and worked until late afternoon, sometimes until 6pm. The work was excellent and completed in a timely fashion. We are very happy with the finished product and I would highly recommend Mega Kitchen and Bath, Silver Spring location."
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+106

Recommended by96%of homeowners
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Glass Block FAQs, answered by experts

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.

Yes, professionals can install decorative or colored glass block patterns for a unique look.

Heavy glass tends to be more expensive than thin glass because it is stronger and more durable. In most cases, ¼-inch-thick glass is ideal for mirrors, and ⅛-inch-thick glass is ideal for residential windows. Heavier glass isn’t always necessary, and can be more challenging to hang or install. Work with a local window installation pro for replacement or new construction windows.

Options include tempered, laminated, and tinted glass for various needs.

Glass block mortar is the best choice for glass block window units. It is specifically formulated for glass block window installation. Glass block mortar is usually a mixture of Portland cement, sand, and special chemicals. It is a white mortar that is applicable inside and outside your home. Do not use regular tile mortar because it may not have the binding strength and flexibility required for glass block windows.

The Clements, MD homeowners’ guide to glass block services

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