Windows and doors are unquestionably as a business card of each house. So they should be strong, permanent and weather conditions-resistant and they also should be the ornament of the house. One of the best ornaments which improves the quality and a living comfort are winter gardens. They enable life in agreement with nature. Winter gardens are the perfect place of family meetings in each season of the year. The glazing system used in winter gardens makes possible to enjoy the sun and nature even in winter.