To prevent rainwater from getting into the window bindings or joints of the window with the wall in the lower part, special sheets of metal are installed. These are the so -called castings. In former times, they were made from ordinary sheet iron, which eventually rusted and brown streams under the windows not only testified to metal corrosion, but spoiled the appearance of the facade of the building. Traditional painting with oil paints only slightly eliminated this undesirable effect, I had to paint iron products annually. Today, “external window sills” or ebbs are made from a wide variety of materials, they have a good aesthetic appearance, which often complements the design solution of the building facade, are durable, are not corroded and do not require annual painting. Firms engaged in the manufacture and installation of castings make them from aluminum, and polymeric materials. The standard length is 2 meters. They are made by order














