Complete Exterior Solutions
For 40 years, our family-owned company has upgraded Chicagoland home exteriors with premium materials and expert installation for weather protection.
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Glass Block Window Installation:
Upgrade your home with secure, efficient basement or bathroom windows offering airtight waterproofing, privacy, and optional integrated hopper vent solutions.
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Energy-Efficient Window Replacement:
Our team installs energy-efficient, weather-tight replacement windows tailored to your home's style, significantly reducing utility costs throughout the year.
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Premium Vinyl Siding:
Completely update your home's exterior image. Our durable, zero-maintenance vinyl siding provides an instant aesthetic facelift while protecting your home with advanced weather protection.
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Exterior Door Replacement:
Enhance your home's entryway and curb appeal. We install high-quality, energy-efficient exterior and patio doors designed to provide a welcoming entrance while keeping extreme Midwest temperatures outside.
EXPLORE DOORS ➔
Peak Performance for the Illinois Climate
For decades, we have mastered the protecting Midwest homes. Our expert installation methods ensure your home is reinforced against our region’s extreme temperatures, heavy rains, and high-wind cycles.
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Weather-Tight Sealing
We don't believe in "one size fits all" installation. Every window and glass block project utilizes weather-specific sealing techniques designed to lock out air infiltration, ensuring your interior termperature remains stable year-round.
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Security-First Solutions
Our mortar-set glass block solutions provide a high-security, no-maintenance barrier that transforms vulnerable basement areas into secure, light-filled spaces, effectively deterring intrusion while maintaining maximum privacy.
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Excellent Energy-Efficiency
Our window and siding products are selected for their thermal performance ratings. By bridging the gap between your interior living environment and the external elements, we help you reduce energy costs and increase the long-term equity of your property.
Why Homeowners Choose Legacy Glass Block & Window Co
40+ YEARS EXPERIENCE
Serving Chicagoland 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 successfully 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
