Interior window sills made of PVC are available in the following colors: white, marble, walnut, golden oak, apple tree, birch, and graphite. Interior window sills made of PVC with the chamber-structure are durable, resistant to moisture, UV radiation, and temperature fluctuations, are aesthetic, resistant to scratches, non-flammable and easy to process and install. Thanks to their smooth surface, they are perfect for keeping them clean. Interior window sills are decorative and well-profiled. They will fit any type of window. The lead-free stabilizers used in the production of PVC ensure excellent stability of thermal treatment and, at the same time, guarantee the preservation of shapes and dimensions of all products. All PVC products are non-toxic and flame-retardant, resistant to changing weather conditions, biological agents, and most chemicals.