What are window sills?
A uPVC window sill is an exterior ledge at the bottom of your window providing a horizontal board. People commonly refer to window sills as a window ledge, base or cill. They are an essential part of the profile and prevent water from leaking into the property and damaging the floor. Therefore, a durable, low-maintenance uPVC window sill is the most reliable way to keep your home sealed. Our window cills are a tough product that requires little maintenance and are easy to clean. Plus, we can match your window cills to any RAL colour, so you can be sure that you are getting a window cill perfect for your project.