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TRUSTED BY RIVERVIEW, DE HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon77
    Verified glass block window services reviews

Top-Rated Glass block installation pros in Riverview - Updated Nov 2026

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

Serving Riverview, DE and surrounding areas

In business since 1977

Free estimates

Emergency services offered

"I was amazed. We had 10 new windows replaced, and after working a 10 hour day, I was dreading going home & cleaning for the next 10 hours. But when I walked inside my home you didn't even know they were there. everything was placed back to where it belonged, there was no mess to vacuum. There also was no mess outside, my garden was not even touched. The only thing I had to do was wash the windows and hang the curtains. They were very nice & polite, professional men who installed the windows. The windows themselves are 100% perfect. We could not be happier and could kick ourselves for not doing it sooner. They gave us a date in July for Installation. They arrived in May."
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Recommended by70%of homeowners
Avatar for Ruff & Ruff LLC
Ruff & Ruff LLC
3.9(
342
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Riverview, DE and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"Absolutely OUTSTANDING!!!!  I can't even tell that there is glass in my windows.  Gregory was prompt, thorough, conscientious, made sure he got every last spec of dirt/grime (and my windows were badly soiled) but to boot was respectful, kind, friendly and just a nice guy.  I will definitely use him again (price is great) and I will recommend him to my family and friends.
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+6

Recommended by76%of homeowners
Affordable Handyman Company
New to Angi
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Riverview, DE and surrounding areas

In business since 2004

Free estimates

Credit card accepted

If you are looking for a contractor that follows business practices such as promptly returning phone calls, arriving on time for appointments and following through on promises then Affordable Handyman Company should be the one and only contractor you'll ever need. \nOur customer satisfaction is our top priority. We will earn your trust for a lifetime. Roman believe in making all clients repeat clients. You can be assured you're in good hands with Affordable Handyman Company working on your home improvement project. \nCall Roman today you�ll be pleased you did. \n

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

Serving Riverview, 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

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Glass Block Windows FAQs, answered by experts

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

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.

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.

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. 

The Riverview, DE homeowners’ guide to glass block window services

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