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*The Angi rating for Glass Block Service companies in Eldora, IA 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 Eldora, IA 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 March 13, 2026

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Avatar for Hoversten Contracting, Inc.
Hoversten Contracting, Inc.
5.0(
6
)
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Eldora, IA and surrounding areas

In business since 2003

Free estimates

"A great team! One of those that you wish you had more than five stars for rating. We had a loosely defined project to repair/rebuild around the house perimeter. They did like five different things, including a large concrete deck, repair balcony, and a new door. We have only very positive things to say about them. They clearly care and do everything very professionally. They have all the proper equipment (like that CAT bot) and, most importantly, they know how to do anything, what tools to use, and, in our case, they purchased all materials. We certainly hope to keep working with this team in the future. We completely trust their judgment and expertise."
Response time2 hrs
Recommended by100%of homeowners
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Glass Block questions, answered by experts

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.

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

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.

The Eldora, IA 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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