Wide selection of decorative grids will suit your individual style. In sliding patio doors grids are enclosed within the insulated glass unit. Homeowners choose grid profile and pattern to create the perfect patio door for their home. Window replacement ct There is a variety of grid styles such as classic, contoured, narrow brass and gold tone brass. The most popular grid style in sliding patio door for CT homeowners is classic colonial. For the beautiful touch of elegance, you can add a V-grooved cut or polished glass pattern also.