“Glass is the engine that drives the window”
180 mph Wind Rating
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99% UV Blockage
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Sound Attenuation
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High Performance
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Historic Accuracy
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Security Glass
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180 mph Wind Rating · 99% UV Blockage · Sound Attenuation · High Performance · Historic Accuracy · Security Glass ·
ABOUT
Liberty Restoration Glass is the glazing division of The Cooper Group, specializing in historically accurate glass systems engineered to meet modern energy, safety and performance standards.
From hand-crafted restoration glass to advanced vacuum-insulated glazing integrations, we deliver solutions that preserve architectural integrity while achieving industry-leading thermal performance.
Most glass companies force a compromise: Authentic look or performance. We engineer systems that deliver both.
Who We Are
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Restoration glass fabrication
Custom insulated glass units (IGUs)
Vacuum Insulated Glass (VIG) integration
Laminated glass fabrication
Custom glazing package engineering
Historic window glass replacements + replication
Performance upgrades for existing sash
Project-specific glass consulting (architect + GC support)
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Restoration Glass
Multiple options by era (1840’s, 1880’s, 1920’s)
Available as single pane
Available as monolithic or laminated
Insulated Glass Units (IGUs)
Dual-pane configurations
Narrow sightline build for historic sash
Argon or Krypton gas fill
Stainless steel spacer bar system
Robust 2 part-polyurethane dual seal
Freedom Restoration Vacuum Glass
Freedom from break-ins
Freedom from high energy costs
Freedom from urban noise
Freedom from UV damage
Freedom from condensation and frost
Freedom from historic preservation violations
Freedom from outdated performance standards
Laminated Glass
Impact rated for 180 mph winds
Security/safety capabilities
High sound attenuation
Blocks 99% UV
Compatible with our Liberty Restoration Glass
Storm Windows
High sound attenuation
Impact resistant
High energy performance
Blocks 99% UV
Compatible with our Liberty Restoration Glass
Hybrid Systems
Restoration glass + laminate
Restoration glass + IGU
Restoration glass + VIG
True Divided Lite + internal energy panel
*Laminated products can be incorporated into our CAT6 hurricane system.
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Historic window preservation
Storefronts
Institutional buildings
Landmark buildings
Sacred buildings
Museums
New construction
Commercial & Residential
Discover our single pane, authentic, made in-house Liberty Restoration Glass
Our Liberty Restoration Glass is crafted in-house and available in three period-authentic styles — 1840s, 1880s, and 1920s — each designed to preserve the architectural integrity and aesthetic of your historic restoration project.
Liberty glass is the foundation of all our engineered products, and it's available on its own as a standalone product. Whether you're replacing a single pane or sourcing glass for a larger restoration, our Liberty glass delivers an authentic historic look.
Request a sample set to see and feel the difference for yourself.
The US security glass market is rising — and we built the products to lead it.
