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Verified Reviews for Glass Block Service pros in Delano, CA

*The Angi rating for Glass Block Service companies in Delano, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

*The HomeAdvisor rating for Glass Block Service companies in Delano, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

Last update on March 23, 2026

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Avatar for Shield Windows and Doors
Shield Windows and Doors
5.0(
6
)

Serving Delano, CA and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"Working with Shield Windows and Doors made replacing our old windows a breeze! They have great prices and their turnaround time is mind blowing. Victor is extremely knowledgeable and the easiest person to collaborate with. His endless knowledge of windows and the installation process was remarkable. We will without a doubt recommend him to anyone looking for a great experience too!"
Window Treatments Project
Windows Project
Glass & Mirrors Project
Windows Project
Window Treatments Project

+21

Recommended by100%of homeowners
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Avatar for Apex Windows
Apex Windows
5.0(
5
)

Serving Delano, CA and surrounding areas

At Apex Windows, we offer long-lasting and reliable windows and doors at prices you can afford. We've taken great pride in being able to offer our customers premium products with an unparalleled level of unique and distinctive services. Our mission is to serve and satisfy all of our customers, without exception, to the best of our ability. We endeavor to bring the level of our professionalism, expertise, and service to even greater heights each and every day.

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+1

Recommended by100%of homeowners
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Jacks Window Tinting (DBA) Shade The Rays Window Tinting
New to Angi

Serving Delano, CA and surrounding areas

In business since 1996

Shade The Rays Window Tinting absolutely has the best customer service available. We will bend over backwards for your business! Shade The Rays Window Tinting has over 15 years experience specializing in commercial and residential window tinting, and anti graffiti film. We offer free estimates and a wide variety of films to choose from. Call us today for more information on our outstanding products and services

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Glass Master
New to Angi

Serving Delano, CA and surrounding areas

In business since 1980

Free estimates

Glass Master 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. 25 years in business.\n\nIB - MF evenings

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Glass Block questions, answered by experts

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 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. 

Glass block windows come in various patterns and styles that offer privacy and unique aesthetics. Frosted or textured glass diffuses light and enhances privacy. Wave-pattern glass blocks imitate ocean waves with flowing lines. Ice-glass blocks resemble cracked ice. Fluted glass blocks feature parallel vertical grooves, adding texture and depth. Clear glass blocks, similar to glass Coke bottles, offer transparency with some distortion and may have smooth surfaces or subtle textures, adding visual interest.

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.

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.

The Delano, CA homeowners’ guide to glass block services

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