Cast Stone Window Sill - 450x140Here in Double L we have a wide range of Cast Granite, Cast Sandstone and Cast Portland window sills. The Cast Stone Sill 450x140 is made to suit a block work construction with cladding or building stone facades. The window sills are made to order and lead time generally is between 3 and 10 working days depending on the size of the order. If this isn't the right fit for you, please check the rest of are options as we have variety of widths to suits