Introducing the Duke 11x14 with 80” Extension. This modern single-slope roof design allows light to come in through the windows while you enjoy the presence of large timber beams. Experience seamless indoor-outdoor living with three sliding and folding door systems, maximizing space and ventilation. These aluminum-framed, tempered glass door systems offer a 120” and 80” clear opening. The 80” extension adds an additional 74 square-feet of indoor living area, making this outdoor structure a perfect option for a pool house, outdoor living room, dining room or backyard office.