Castle Windows have been engineereed to combine beauty, energy efficiency and durability into a superior replacement window for any type of home. Since there is more that one way to fill an opening we offer a wide variety of styles to choose from. Simply click on the style you wish to learn more about. Double-Hung Slider Bay Bow Garden Basement Hopper Casement Patio Doors Castle Windows offers you even more. Our windows are available with the industries highest technologically advanced and energy efficient options. Simply click on the option you would like to learn more about. Vinyl Color Options Color options include, White, Tan, and Interior Woodgrain. Specialty Glass & Glazing Foam Filling Designer Glass Options You are here: Home >> Product Catalog