Professional Glass Block Installation for Homes in Cook and Will County
Protect your single-family home from Midwest weather extremes with premium replacement windows. For over 40 years, Legacy has secured properties across the South Suburbs—from Butternut Creek to Equestrian Estates and Ruffled Feathers. Lock out drafts, lower energy bills, and instantly elevate your curb appeal.
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Maximum Security
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Maintenance Free
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Energy-Efficient
Advanced Security & Thermal Performance
We engineer our installations to serve as a brick-and-mortar-level defense for your home. Standard basement windows are liabilities, but our thick, high-impact glass blocks create a rigid perimeter that resists forced entry while maintaining natural light.
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Burglar Deterrent
Unlike thin glass or plastic frames, our masonry-bound glass blocks are virtually impenetrable, turning your basement windows into a reinforced asset.
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Thermal Barrier
We utilize a precision-sealing process that eliminates air leaks and cold drafts, effectively stabilizing your homes temperature and lowering and lowering seasonal heating bills.
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Lasting Privacy
By utilizing advanced, textured glass patterns, we provide a clean, modern aesthetic that allows abundant natural light while fully obscuring any view from the outside.
Why Upgrade to Glass Block?
Upgrading to professional-grade glass block is the most effective way to harden your basement's weakest entry point, replacing drafty, rotted wood frames with solid, high-impact masonry-set glass that acts as a permanent security barrier while eliminating the need for future maintenance.
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Ultimate Privacy
Choose highly obscure Icescapes pattern that let an abundance of light in while keeping the view completely obstructed.
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Superior Energy Efficiency
Eliminate drafts and prevent water infiltration all while lowering your energy bills every month.
Still deciding on the right pattern or ventilation style for your basement?
Why Customers Love Our Glass Block Installations
40+ YEARS EXPERIENCE
Serving Will & Cook County with expert window and glass block solutions for over 40 years.
5-STAR REVIEWED
Backed by top-tier ratings from local homeowners who trust our family-owned crews for punctual, immaculate, and professional workmanship.
LIFETIME WARRANTY
Relax knowing your project is fully protected by comprehensive manufacturer coverage alongside our elite structural craftsmanship guarantee.
TRUSTED EXPERTS
Local homeowners trust Legacy Glass Block & Window Co. for dependable service, expert installation, and lasting quality.
WHAT OUR CUSTOMERS SAY ABOUT OUR SERVICES
HOW OUR PROCESS WORKS
REQUEST A QUOTE
Tell us about your project and get a free consultation.
ON SITE MEASUREMENTS
We'll measure and help you choose the best options.
1-DAY INSTALLATION
We can usually install our projects in 1 day.
FINAL CLEAN UP
We clean up and double check our work.
REQUEST A FREE QUOTE
FLEXIBLE HOME IMPROVEMENT FINANCING
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Affordable Payments
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Zero Money Down
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0% Financing
