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Best glass block pros near Lancaster, SC

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

Avatar for Asa Stanford Inc
Asa Stanford Inc
4.7(
116
)
Stained or Specialty Glass - Repair

Serving Lancaster, SC and surrounding areas

In business since 1994

Free estimates

"Asa Stanford did a detached garage with a room above. Their work exceeded our expectations. They always let us know when they were showing, always actually did show up, and treated the project like the house was theirs. Blake and Mark were very easy to work with. We highly recommend them to anyone looking for trustworthy and skilled general contractor. Will be using them again for my projects in the future."
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+16

Recommended by100%of homeowners
Avatar for Sustainable Contractors
Sustainable Contractors
4.3(
59
)
Stained or Specialty Glass - Repair

Serving Lancaster, SC and surrounding areas

In business since 2006

Free estimates

Credit card accepted

"Stuart showed up when he said he would.  Went on the roof... came back down - reported what needed to be done.  Replaced the rubber thingys that day.  all was good.  Thank You  (Now with that said.. I'm waiting for a really good rain to make sure the leak is fixed but... I'm pretty confident it will be.)
"
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Recommended by81%of homeowners
Avatar for New Vibes Cleaning
New Vibes Cleaning
5.0(
7
)
Stained or Specialty Glass - Repair

Serving Lancaster, SC and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Anna, Rosie and Rene were AMAZING! We reached out for a deep clean prior to a visit from our family the next week and Anna contacted us within a few minutes. We also received a text reminder prior to our appointment confirming the time and date. The team showed up on time, worked diligently and were very professional. Not to mention that they are so courteous and friendly! Our home looks beautiful!! You can see the pride they put in their work. We are delighted with our experience and we’ll be scheduling for regular cleanings. We would definitely recommend their service!"
Housecleaning Project
House Cleaning Project
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House Cleaning Project
House Cleaning Project

+20

Recommended by100%of homeowners
Avatar for Aristocrat Group
Aristocrat Group
3.3(
129
)
Stained or Specialty Glass - Repair

Serving Lancaster, SC and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Good, arrived when expected brought plenty of help and were thorough.  But, when I asked for a receipt for the extra work they
did on the front yard which I had added the receipt they gave me was hand written.  No professional letterhead from a business??
"
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+5

Recommended by57%of homeowners
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Glass Block 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.

Installing glass block windows has benefits and disadvantages, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.

Pros

  • Maintains privacy while letting light into the bathroom

  • Energy efficient

  • Sealed to prevent drafts

  • Aesthetically pleasing

  • Strong and secure

Cons

  • Costly to install

  • Challenging installation

  • Challenging repair

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.

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

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. 

The Lancaster, SC homeowners’ guide to glass block services

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