Glass Block & Window Replacement
Since 1986, Legacy Glass Block & Window Co. has been the family-owned team Chicagoland homeowners trust for glass block windows, replacement windows, vinyl siding, and exterior doors—backed by a lifetime warranty and zero money down.
Vinyl Thermal-Pane & Glass Block Window Experts
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Family-Owned and Operated
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5-Star Reviewed
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40+ Years of Experience
Complete Exterior Solutions
For 40 years, our family-owned & operated business has upgraded Chicagoland home exteriors.
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Glass Block Window Installation:
Upgrade your home with secure, efficient basement or bathroom windows.
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Energy-Efficient Window Replacement:
Our team installs energy-efficient replacement windows.
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Premium Vinyl Siding:
Completely update your home's exterior image with zero-maintenance vinyl siding.
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Exterior Door Replacement:
Enhance your home's entryway and curb appeal.
Our Promise of Quality and Reliability
Our expert installations ensure that your home is covered against our region’s extreme climate.
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The Local Choice for Quality
We are the preferred company for local homeowners.
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Security-First Solutions
Our glass block solutions provide a high-security, no-maintenance barrier for your basement.
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Excellent Energy-Efficiency
Our window and siding products are selected for their thermal performance ratings.
We serve homeowners across Will, Cook, and DuPage counties, including Mokena, Frankfort, Joliet, New Lenox, and Orland Park.
Why Homeowners Choose Legacy Glass Block & Window Co
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40+ YEARS EXPERIENCE
Serving Chicagoland for over 40 years.
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5-STAR REVIEWED
Backed by top-tier ratings from local homeowners.
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LIFETIME WARRANTY
Your project is fully protected by a lifetime guarantee.
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TRUSTED EXPERTS
Homeowners trust Legacy Glass Block & Window Co. as the local experts.
READ WHAT OUR CUSTOMERS SAY ABOUT US
HOW OUR PROCESS WORKS
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REQUEST A QUOTE
Tell us about your project and get a free consultation.
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ON-SITE MEASUREMENTS
We'll measure and help you choose the best options.
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1-DAY INSTALLATION
We successfully install our projects in 1-day.
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FINAL CLEAN UP
We clean up and double check our work.
REQUEST A FREE ESTIMATE
FLEXIBLE HOME IMPROVEMENT FINANCING
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Affordable Payments
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Zero Money Down
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0% Financing
