"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."
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
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 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.
DIY is possible for small projects, but professional installation ensures proper sealing, structural integrity, and a precise finish.
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.
The Gregory, SD homeowners’ guide to glass block window services
From average costs to expert advice, get all the answers you need to get your job done.
If you're hoping to add a touch of timeless style to your windows, take a look at the cost of stained glass windows and what affects installation costs.
You may have seen glass block windows before without knowing their perks. Learn the pros and cons of glass block windows and how they can benefit your home.
Thinking about upgrading your windows? Learn about glass block installation, design options, expected costs, and how to hire the right local pro for the job.