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Maryland Glass Block, Inc.
4.9(
17
)

Serving Arnold, MD and surrounding areas

In business since 1983

Free estimates

Credit card accepted

"Don made the drive out to my home to measure my existing basement window openings. He then sat down with me and explained to me what my options were as far as glass blocks and different features available. He was fully prepared to show me how MGB produces the windows and the install process. I thought the pricing was very fair and they had the block windows finished in just a few days. Both Don and Scott in the office were extremely professional and answered every question I had. I would highly recommend Maryland Glass Block."
Response time2 days
Recommended by100%of homeowners
EJALE Group, LLC
3.8(
23
)

Serving Arnold, MD and surrounding areas

In business since 2014

Free estimates

Credit card accepted

"EJALE did a complete roof and gutter installation. The crew was professional. The job was done in a timely manner and all debris were cleaned up and discarded appropriately. They communicated with me throughout the process of repairs. I am so very please with their work. The price was a very good price. I would definitely recommend this company to my friends."
Response time1 day
Recommended by92%of homeowners
Capitol Improvements
5.0(
13
)

Serving Arnold, MD and surrounding areas

In business since 2002

"Very well done project master bath expansion consisting of complex air tub/shower installation and extensive tiling. Marble tile installation was strong point - over a year of heavy use and no cracks anywhere. Contractor was responsive even when work slowed an called/came back personally to touch up few minor areas in dry wall several months after work was completed."
Recommended by13%of homeowners
Glass Block questions, answered by experts

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.

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

Their thickness depends on application, but most glass walls are typically 3/8 to 3/4 of an inch thick. Although it’s not as common, single panes of glass can also be 1 inch thick.

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.

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 Arnold, MD homeowners’ guide to glass block services

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