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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon769
    Verified glazing services reviews

Top-Rated Glaziers in Potomac - Updated Nov 2026

Avatar for Zen Windows of Washington DC
Zen Windows of Washington DC
5.0(
134
)
New Windows - 6 +New Windows - 3-5New Windows - Multiple

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Warranties offered

"Ze Windows replaced 2 of our old and outdated glass sliding doors. We would highly recommend this company for their responsiveness, friendly professionalism and great installers!! We are very happy with the beauty and the quality of our new doors"
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+27

Response time2 days
19 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Clifton Contracting
Clifton Contracting
4.8(
42
)
Egress Window - Install

Serving Potomac, MD and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"Clifton Contracting made the whole process so easy from planning to completion. We are thrilled with the window and the complete change in our basement. We chose a larger Anderson window and an upgraded Rockwell window well. No other estimates could match them."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for A.R. Glass Repairs
A.R. Glass Repairs
5.0(
22
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - RepairWindow Glass - Install or Replace+1 more

Serving Potomac, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"I was very happy with response from Eddis. He gave me a quote upfront and followed it up with an invoice via email. I paid him half at the beginning and another half when he came back to install the window. He was very professional and respectful of my house. I will definitely use A.R. Glass again if I have window repair needs."
Response time1 day
Response rate100%
Recommended by85%of homeowners
Avatar for Presidential Exteriors LLC
Presidential Exteriors LLC
4.7(
179
)
New Windows - 6 +New Windows - 3-5New Window - Single+9 more

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"We are extremely happy with our new windows and sliding glass door. Everyone we’ve dealt with -- Adam (Consultant), Ryan (Project Manager), Joe (Crew Chief) and Chris (Quality Assurance) – are extremely professional. We were always kept in the loop for every step in the project. The quality of the windows and door are superior to any we’ve seen, and the care and workmanship that the crew put into the installation was outstanding. We were also impressed that a Quality Assurance manager came to inspect the installation with us after it was completed. Our entire experience with Presidential Exteriors was stress-free from start to finish. We highly recommend this company and will be using them for future remodeling projects."
Newly installed roof
Windows & Garage Door Replacement
Finished product with brand new siding.
Newly installed roof
Windows & Garage Door Replacement

+44

Response time1 day
Response rate100%
35 neighbors recently requested a quote
Avatar for Whiting Window Siding and Roofing
Whiting Window Siding and Roofing
4.4(
1,116
)
New Windows - 6 +

Serving Potomac, MD and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Warranties offered

"We had a few different windows we were looking to replace, including a set of living room windows, with our stated goal of maximizing glass. I provided a photo of the design we wanted, including the limited separation between the panes for site lines. We selected Whiting after several back and forth questioning to confirm that we would be maximizing glass. We were told that the separation would be 5.5" (they knew another contractor stated 6.5", and we thought that was too wide, would disrupt the site line, and looked too chunky). Turns out by 5.5", they meant 8" from pane to pane (vs. about 2" for our original windows)... I noticed during install and told them that was not what we were told we were supposed to be getting. I immediately sent an email to our salesperson and the installer said I would hear from the owner. The response from the sales person (the next day) was essentially, "Sorry you are unhappy, vinyl has a wider frame (NOW THIS COMES OUT?), please send us a check." I sent the owner an email the afternoon of the install to let him know my issues. The owner did not call until the next day, and said that he was not there to hear our conversation so couldn't do much without talking to the sales person. The next communication was to set up a "final walkthru" by the salesperson. I told him that I wanted the owner available by phone so that he can listen in to the issues, I was told he would be, but he was not dialed in during the scheduled walkthru. Again, the salesperson stated the issue was a wrong assumption and miscommunication. He knew exactly why we didn't select another contractor (their window setup was too chunky). We are now stuck w/a window setup that is clearly not maximizing glass. If you know exactly what you want or live in an HOA community, they may be a fine contractor - as the install went pretty well the team was nice and pretty neat. BUT if you are looking for something that isn't specifically designated by HOA limitations -- I would take what they say the product will look like with a grain of salt.

UPDATE: The company offered us a discount to the contract price due to the "miscommunication." I really appreciated the fact that they promptly sent someone out after the fact (including my initial review) after I emailed them about a draft coming in by the windows. They did what they could (which helped), but seems the main issue was that our siding contractor (not Whiting) had yet to caulk the outside."
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2 neighbors recently requested a quote
Recommended by92%of homeowners
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Glaziers FAQs, 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.

Using caulk is one of the simplest and most recommended methods to finish glass tile edges. It creates an elegant seam between the glass tile and the adjacent area, along with a waterproof seal. With this method, you want to use a caulk color that matches the grout and, along with the grout, compliments the tile. Make sure the caulk line is smooth and even. Alternatively, you can use a bullnose or tile trimming to edge, however, that will also require caulk to seal.

You can purchase standard mirrors up to 98 by 80 inches or larger custom mirrors. However, larger mirrors often need to comprise more than one piece of glass.

You should always pack glasses standing up. It will eliminate the pressure that comes with weight when delicate items are stacked on top of each other horizontally. Don’t forget to wrap each glass individually with bubble wrap, and don’t add anything on top except for additional padding. Always mark these boxes as fragile.

Size and weight are the primary considerations when purchasing a bathroom mirror. Properly measure the mirror size that will fit above your vanity. If your vanity sits in front of a drywall without a stud available, you won’t be able to hang anything that is too heavy. Also, check the material and design. For LED mirrors, look up their IP value. The higher the number, the more resistant it is against water and splash damage.

The Potomac, MD homeowners’ guide to glazing services

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