WeatherMaster Window Systems & Model 200 Sunrooms are modular units that are custom designed for your home and manufactured in a temperature controlled environment, ensuring the highest quality. Our units can be installed directly onto an existing patio, deck, and even under a previously constructed roof or wall system! These virtually maintenance free units are all custom made to fit your openings exactly and come with a 10 year warranty against factory defect. Enclosures are an economical way to expand the usefulness of your recreational areas. The WeatherMaster Window combines the open feeling of a screen room and the comfort and convenience of a patio room. With the WeatherMaster Window you get the safety of tempered glass and the convenience of tint at no extra charge.