YES 60 XT High Performance Offset Storefront featuring Dual Thermal Barriers Superior Thermal Performance and Structural Integrity Designed for taller spans, this 6" deep energy saving storefront system features a dual thermal barrier to significantly reduce heat transfer and increase thermal comfort with warmer internal framing temperatures. When taller vertical and larger horizontal spans are required, trust the YES 60 XT to deliver the structural strength and superior thermal performance specifiers expect in today's advanced framing market. Product Options & Features n Outstanding thermal performance utilizing standard 1" insulating glass n Greater efficiency can be achieved with higher performance glass n Dual Pour and Debridged Thermal Barriers that utilize MLP™ technology n Screw Spline Assembly n Industry leading Sill Flashing Design n Integrates with the YES 45 XT, ThermaShade® and Luminance® Sun Control MLP™ is a trademark of Azon.