Reliabilt Vinyl Single Hung Windows with grids are designed for new construction or remodeling applications and are easily installed with an integrated nail fin and scorable J-channel that accepts a wide variety of finishing installation options. High performance energy efficient Low-E + Argon gas filled insulated glass helps reflect the sun’s heat away from the inside of your house in the warm summer months while helping to hold the warmth inside your home during the colder winter months. Our grids between the panes of insulated glass enhance the style and appearance of your home without creating any extra work to clean the outside of the windowpanes. Reliabilt Vinyl Single Hung Windows are manufactured with a heavy duty extruded welded vinyl sash and main frame that is durable and maintenance free. Included is an easily removable screen that lets in fresh air while keeping insects out. Reliabilt Vinyl Single Hung Windows are the perfect choice for any new construction or remodeling project. Designed for new construction or remodeling applications Easy installation with integrated nail fin and scorable J-Channel that accepts a wide variety of finishing installation options High performance Low-E + Argon gas filled insulated glass for heightened thermal energy efficiency (see each window’s U-Value and SHGC value for exact specifications) 5/8-In flat grid pattern in between the glass makes cleaning fast and easy Four-point welded vinyl main frame is maintenance-free and durable for long lasting performance Vinyl bottom sash tilts-in for cleaning and locks with the main frame, ensuring a weather-tight seal Internal weeping system prevents moisture buildup, and a removable half screen keeps insects out