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*The Angi rating for Glass Block Service companies in Freeport, MN 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 Freeport, MN 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 April 20, 2026

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Avatar for Harmon Auto Glass - Hopkins
Harmon Auto Glass - Hopkins
4.7(
48
)
Stained or Specialty Glass - Repair

Serving Freeport, MN and surrounding areas

In business since 1949

Free estimates

Credit card accepted

"Very happy with everything from inquiry to estimate to installation. Would definitely recommend and use again."
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Recommended by91%of homeowners
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Earthscape stone masonry & landscape design
0.0(
1
)
Glass Blocks - Install

Serving Freeport, MN and surrounding areas

In business since 1997

At Earthscape, our uncompromising dedication to quality craftsmanship ensures that every project is approached individually, creating a personal masterpiece that meets the needs and expectations of our clients, from design to completion. We specialize in landscape and architectual stone masonry (interior & exterior). Examples of our work include: Fireplaces(indoor & outdoor), walls, flooring, facing, patios, and pool decks. We also make custom birch and stone furniture and furnishings. Let our team go to work and add the beauty and strength of natural stone to your home and landscape, creating your perfect little corner of the world.\n \n

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Glass Block questions, answered by experts

Luckily, glass block windows need minimal maintenance. Other than regular cleaning, the only maintenance involved in having a glass block window is inspecting for cracks every year and applying sealer to the mortar joints if the blocks are set in masonry mortar. Glass block windows hold up well against wind and moisture better than traditional windows and are not prone to rot.

DIY is possible for small projects, but professional installation ensures proper sealing, structural integrity, and a precise finish.

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 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.

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.

The Freeport, MN 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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