Decoseal® for Decorative Glass

Simplified fabrication for decorative and specialty insulating glass

Decoseal^® for decorative glass is a specialized warm-edge spacer system for Quanex, designed to support decorative inserts, center lites, and stained glass within insulating glass (IG) units. Built to simplify triple-pane fabrication, it reduces assembly complexity while maintaining the thermal performance expected from a high-quality IG spacer system.

With it’s low-profile design and integrated desiccant, Decoseal makes it easier to produce decorative and stained glass windows that offer both beauty and energy efficiency for residential applications.

Best for:

Residential decorative glass and stained glass windows
Triple-pane insulating glass units with center lites
Door lites and specialty glass applications
Manufacturers producing custom or decorative window designs

Why Choose Decoseal^®

Engineered for decorative and stained glass applications
Decoseal^® is specifically designed to support decorative inserts and stained glass within IG units, helping maintain alignment and long-term performance.

Simplifies complex IG fabrication
Reduces the number of steps required for assembling triple-pane and decorative glass units, minimizing production challenges and improving efficiency.

Low-profile design for greater flexibility
Allows for secondary sealing or structural reinforcement, especially in larger decorative or specialty residential windows.

Moisture control that protects visual integrity
Integrated desiccant and a thermally efficient design help reduce condensation, preserving the clarity and appearance of decorative and stained glass features.

Benefits of Decoseal^®

FOR MANUFACTURERS:

Simplify production of decorative and stained glass IG units
Reduce assembly steps and minimize the risk of fabrication errors
Expand product offerings with high-value decorative window options

FOR END USERS:

Beautiful decorative and stained glass windows with improved energy efficiency
Reduced condensations to protect visibility and design details
Long-lasting performance in residential environments

Built for Proven Performance

Decoseal® is part of the Quanex portfolio of warm-edge single seal spacer systems and IG spacer systems—engineered to support both design flexibility and reliable performance in residential insulating glass applications.

Looking to simplify decorative glass fabrication while maintaining performance?

Our experts can help you determine if Decoseal^® for decorative glass is the right solution for your next project.