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Outperforming the Competition

DuraSeal’s flexible insulating glass spacer systems offer these benefits:

Less Conductivity
DuraSeal insulates the frame and edge of glass 50% better than U-channel roll formed spacers and 90% better than aluminum spacer bars, saving energy and increasing comfort.

Superior Argon Gas Retention
DuraSeal’s proven argon retention adhesive has been used in over 100 million insulating glass units. Minimal gas loss occurs after exposure to a variety of seal durability tests. Regardless of how gas retention is evaluated, DuraSeal retains argon, thereby maintaining the thermal properties of windows long term.

Reduced Total Window U-Value
DuraSeal can reduce the total window U-Factor by up to 3% compared to U-channel mold formed metal spacers and up to 6% compared to aluminum spacer bars. This percentage can be the difference in meeting Energy Star® requirements.

Improve Condensation Resistance
DuraSeal increased the edge of glass temperature as much as 10% over U-channel roll formed mental spacers, making windows warmer.

Extensive Testing Under All Conditions
Rigorous testing proves that DuraSeal can maintain excellent adhesion in hot or cold climates. Tested extensively in extreme freeze-thaw cycles, hot humid environments, and intense UV, DuraSeal exceeds the challenges of every major durability test in North America.