As a leader in the industry, RELIABILT presents the highly sought-after Series 150 new construction single hung windows. Featuring a brick mould exterior that complements any home's style, these windows are designed for both new construction and remodeling projects. With a pre-punched, integrated nail fin and J-channel (or the option of Series 160 without J-channel), installation is a breeze. The bottom sash easily tilts in and operates with an integrated, full-length lift rail and a block and tackle balance system. Rated DP-50 (Design Pressure rating) for windows up to 36-in W x 74-in H, these windows are energy-efficient with Low-E glass that reflects the sun's heat and helps retain warmth inside your home during colder months. Available in standard white with a half screen, a variety of sizes, factory mulling, glass options, wood jamb extensions, grid choices, and colors are also available.