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*The Angi rating for Glass Block Service companies in Sumas, WA 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 Sumas, WA 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 September 06, 2026

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Avatar for Hampton Enterprise LLC
Hampton Enterprise LLC
3.7(
9
)
Stained or Specialty Glass - Repair

Serving Sumas, WA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"I only use James when I need some work done to my house. He responds fast, gets the work done quicker than just about anyone else I've ever used and seems very concerned with leaving his customers happy."
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Recommended by60%of homeowners
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Avatar for Expert Home Builders, Inc.
Expert Home Builders, Inc.
0.5(
1
)
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Sumas, WA and surrounding areas

In business since 2019

Free estimates

Emergency services offered

With multiple years of experience, David and the Expert Home Builders team can take on any project. They make sure to leave each customer with a smile.

Remodeling bathroom
Remodeling kitchen
concrete
Response time2 days
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All Points Construction
1.0(
26
)
Glass Blocks - InstallStained or Specialty Glass - Repair

Serving Sumas, WA and surrounding areas

In business since 2000

All Points Construction is experienced in assisting customers with all aspects of the construction process. Keen attention is paid to the customers needs and budget during the beginning design stage. All options are presented to our customer so that they can have the best design for their particular project. All-Points Construction can finish your project in a timely manner while maintaining the highest quality possible. In addition, you can rest assured that our projects will stand the test of time with our 3year workmanship warranty.

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Glass Block questions, answered by experts

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. 

You can still see vaguely into some types of glass block windows at night. Although there won’t be clear definitions, passersby may still see shapes, shadows, and movement through the glass. If you want complete privacy, consider installing diamond glass block windows rather than the typical clear or wavy glass blocks.

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.

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

The Sumas, WA 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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