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*The Angi rating for Glass Block Service companies in Cleora, OK 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 Cleora, OK 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 December 11, 2025

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Avatar for Ozark Mountain Glass, Inc
Ozark Mountain Glass, Inc
5.0(
5
)

Serving Cleora, OK and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

Ozark Mountain Glass, Inc serves all of Northwest Arkansas. Our professional staff can assist you with all your glass needs. We are insured and with over 20 years of experience, will help in providing you with the best products for the job. Please visit our showroom or contact our staff for additional information.\n

65 neighbors recently requested a quote
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Avatar for Hampton Enterprise LLC
Hampton Enterprise LLC
3.7(
9
)

Serving Cleora, OK and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"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."
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Recommended by60%of homeowners
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Avatar for McClure Contracting
McClure Contracting
5.0(
3
)

Serving Cleora, OK and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"Donovan was very easy to talk to and also very professional. He returned all my calls the same day, which is HUGE to me! Our house looks great. We will be calling him for additional projects, around and in the house, since he is a general contractor. A++ Thanks Donovan for a great job and a good experience with ServiceMagic. Jennifer Smith- Claremore, OK"
Recommended by100%of homeowners
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Christthorn, Inc.
0.0(
2
)

Serving Cleora, OK and surrounding areas

In business since 1989

Christthorn, Inc. is a full-service commercial and residential custom build general contractor, landscape design, build and maintenance contractor and interior architecture design and build firm. Clients include commercial and residential property owners/agents in over 15 countries around the world.\n\nSelect materials and unique design. Our wholistic approach stresses the understanding of both interior and exterior spaces as integral to the whole. Appropriate materials, fixtures, horticulture, and style choices reflecting safety, functionality and aesthetic beauty.\n\nChristthorn, Inc., specializes in comprehensive design and build projects, theme construction, and renovation and restoration architecture, landscape and interior design projects --from equestrian facilities, period homes, botanical and water gardens to high rise living and active commercial spaces.\n\nheadquartered in Tulsa, Oklahoma. National Service. Consultation by Appointment. Tel: 918-712-4558\nwww.christthorn.com

Response time3 days
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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.

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

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. 

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 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.

The Cleora, OK 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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