American Design & Build, located in Bel Air, Md., and established in 1993, specializes in selling custom replacement windows, doors, decks and siding systems and roofing constructions. It offers windows in a variety of styles, such as bay, bow, slider and tilt-in double-hung with choice of double and triple panes. It also offers grid-pattern glass windows and windows with insulation. Additionally, it offers galvanized steel and insulated replacement doors. It offers wide range of styles and custom sizes in steel entry doors and solid core storm doors. The company also offers American Sentry custom decks and sliding systems in various designs and colors and hurricane locking systems. American Design & Build has professional exterior design consultants that provide home owners information about the latest styles and colors of doors and windows.