Serenity 5000
-Beveled exterior master frame.
-Multiple insulating air chambers help to reduce conduction and increase energy efficiency.
-Extra thick extrusion walls provide ultimate welding strength.
-Meeting rail interlock gives protection from the weather as well as added security.
-Metal reinforcement for added strength at the meeting rails.
-Full-capture sill for added protection from the weather as well as added security.
-Quad-4 weatherstripping at the header and sill for added protection from the elements.
-Insulated glass unit with optimal air space and the PPG Intercept Spacer System improves the window's year-round perormance.
-Hidden screen track for added beauty.
