Create a vibrant mural of the outdoors in your home. winrad stacking glass walls open up by sliding large glass door panels on top of each other, flooding the room with natural light and fresh air. The aluminum frames and panels are thermally broken with a full weather-stripped structural interlock system for improved energy efficiency. Customize your glass wall with four exterior frame colors including Clear Anodized and Dark Anodized Bronze. Choose between an all aluminum frame or aluminum clad wood option with a solid wood interior.