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

Avatar for J.N.S. Construction, LLC
J.N.S. Construction, LLC
New to Angi
Glass Blocks - Install

Serving Waterloo, IN and surrounding areas

In business since 2001

J.N.S. Construction, LLC has been serving the local communities since 2001. We pride ourselves on our quality materials and craftsmanship. Please allow our experience and professionalism to work for you and your families needs.

Glass Block FAQs, answered by experts

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

Regular cleaning with non-abrasive cleaners helps prevent buildup and maintains clarity.

Yes, many professionals provide custom-cut glass replacements for enclosures that require precise sizing.

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.

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 Waterloo, IN homeowners’ guide to glass block services

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