DH3648ST51LS 51DH 3648 RO WINDOW

New construction double hung window featuring energy saving South Glass Pack with a u-factor of .27. Includes fully welded frame and sash with pre-punched nail fin. Light Lift SP sash balance system and Duralite warm edge insulated glass spacer system. Also includes full lift handle, true sloped sill, integral nail fin with brickmold design exterior profile and half screen. Clear IG screen, nail flange, and J-channel return. Exterior glazed with dual wall tower technology. Self-sealed sill overlap resists water infiltration during extreme weather conditions. Aesthetically pleasing low profile recessed tilt latch. Low profile night latch allows restricted ventilation and added security. Attractive low profile lock meets or exceeds industry performance requirements. Limited lifetime warranty.