Tru-Channel Storm Window has twice the weather stripping as ordinary storm windows. Both sash interlock with a sturdy frame tie bar for maximum wind resistance
Triple-track "combination" design for self-storage of sash and screen and sash tilt-in capability.
Each and every Harvey window, door, and porch enclosure is built to withstand the elements, from tough northern winters to scorching summers. Today, Harvey products play an integral role in millions of homes, keeping them comfortable, secure, and energy efficient.