If you are convinced that every detail makes a difference, you will appreciate the custom-crafted look of Window World’s elegant interior grids. Capturing the style and feel of a bygone age of hand-crafted detailing, the simple addition of a classic grid pattern can add warmth and serenity to your home’s atmosphere. All grid patterns are available on all replacement, specialty, and new construction window models. Plus, all grids are enclosed within the insulated glass unit so they provide all the warmth and beauty but do not interfere with cleaning.