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

Avatar for Castle "The Window People"
Castle "The Window People"
3.5(
172
)
Stained or Specialty Glass - Repair

Serving Clayton, DE and surrounding areas

In business since 1977

Free estimates

Emergency services offered

"Great,a year later i needed a door to be installed,gave them $180 down,had a Balance of about $4,000 to owe,ran in some serious broiler problems,$2,800 worth,couldn't get the door,I called them bout the $180,they said there was no refund,so I was out that money,my Windows cost me $13,000 dollors,it's disappointing they could refund my $180."
Before
After
Recommended by70%of homeowners
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Avatar for Precision Masonry
Precision Masonry
New to Angi
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Clayton, DE and surrounding areas

In business since 2020

Free estimates

Emergency services offered

We specialize in brick block stone concrete and any kind of general masonry. Including foundations, waterproofing, basement walkouts, re pointing , masonry flashing repair, chimney repair, and much more

Choptank addition
Masonry Project
Masonry Project
Concrete - Pouring & Repair Project
Concrete - Pouring & Repair Project

+73

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Emily Sudler
New to Angi
Glass Blocks - Install

Serving Clayton, DE and surrounding areas

In business since 2018

Free estimates

Emergency services offered

Emily Sudler 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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New Castle County Flooring
0.0(
2
)
Glass Blocks - Install

Serving Clayton, DE and surrounding areas

In business since 1996

Established in 1996, New Castle County Flooring continues to be a family owned and operated business in the tri-state area. New Castle County prides itself on an outstanding record of quality service and attention to detail. Our philosophy is to treat your home as we would our own, and this is complimented by our years of experience in the industry. Our longevity is a testament to the level of service and quality of result you'll get when you choose New Castle County Flooring for any installation, repair, or refinish project. \n

2
2
1
3
3

+9

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Glass Block FAQs, answered by experts

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

New glass costs anywhere from $3 to $100 per square foot. More specifically, tempered and insulated glass—a common option for sliding glass doors—costs between $10 and $14 per square foot.

Glass block windows typically last for 15 to 30 years, which is slightly less than the 20- to 50-year lifespan of standard windows. You can extend their life by resealing them every few years. Professional installation is also key to ensuring the windows are placed correctly and will function properly for years to come. A professional installer will have the necessary skills, tools, and knowledge to install these features and can identify potential issues like damaged frames or cramped areas during a consultation.

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.

Most installations take 1-3 days, depending on the number of blocks and customization requirements.

The Clayton, DE homeowners’ guide to glass block services

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

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