Superior Insulating Value: standard high-performance glass package features 15/16" double-strength, laminated glass; tempered, low-e, Duralite® high-performance spacer by Quanex and argon gas fill
Robust vinyl, multi-chambered master-frame construction contains over five pounds more PVC than the competition for increased structural integrity. The chambers add thermal efficiency and strength
Fusion-welded frame and sashes add structural stability
Equally sized glass in both sashes for balanced design
Sash interlock and aluminum-reinforced integrated sill interlock keep sash firmly in place when it's pummeled with high winds
Tilt-n-Lock technology fortifies the window in the most essential spot: along the meeting rail. Tilt-latch slide bolts are housed within the reinforcement to strengthen the meeting rail from jamb to jamb
Both sashes tilt in for easier cleaning the outside glass
Bothe the top and bottom sashes are operable: the bottom lifts up, the top pulls down
3/4" stainless-steel constant force balance system never needs adjustment and allows for smooth sash travel, and open sashes that stay in place
5-degree true sloped sill directs water, dirt and debris away from the window and prevents it from collecting in the sill
Mortised-in, replaceable 1-3/8" high weather-stripped sill dam fights drafts and water infiltration
Industry-leading DP ratings—an air, water and structural designation