The simple, understated beauty of single-hung windows adds style and elegance to any home.

A fusion-welded sash and main frame structure for added strength and rigidity. Tough, extra-thick extrusion walls provide the ultimate in welding strength.

Multi-wall extrusion for superior welding strength.

Interlock at sash meeting rails create a super-tight seal against air infiltration, providing security, comfort and well being.

Hidden screen track produces clean lines and added beauty.