Window sills are the integral part of windows. Lately aluminum window sills are in good demand thanks to their advantages such as high rigidity, water-resistance and weather-proof. They keep good view for decades! SIMPLEX manufactures window sills of painted aluminum coil, with coated inner surface, the thickness of 1 mm and 90, 130, 150, 165, 180, 225, 280, 320, 360 mm width.