Stone Cills (sills) cast in Fine Quality Reconstituted Stone simulating real Natural Stone. Window Sills lengths below are all Stock Items in Bath Stone buff colour. Addstone external Stone Cills are ready off-the-shelf, as and when You need them - No need to wait for Manufacture, and always Properly Cured. No need to plan weeks or months ahead.

A one stop place to order any cills or heads for your new build. Couldn't be any easier!

Cast Stone Window Cills (sills) from Stock, suiting wide range of Window sizes. Easy online ordering enabling fast fulfilment of fine quality cast stone cills

Cast stone window sill designs. Add the perfect finishing touch to your project with a cast stone window sill. Designed to suit one or two-brick course heights in a normal cavity wall situation, our window sills are available in a range of colors and we also offer a …

Cast Stone Cills, both Stooled and Slip Sills available from Stock to suit standard Window Openings. Bay Window Cills also in matching Cast Stone colour.

Our in-house manufactured cast stone window cills, including bay window cills, come in various colours and are available in either standard window cill sizes or bespoke profiles. We have a large stock of standard-sized cast stone window cills ready for immediate delivery, or we can quote on one-off stone window cill projects with custom dimensions.

Cast Stone Window Cills are a frequently used detail to add a high end, architectural look and feeling of quality to a facade. Click Cast Stone stock two main types of cast stone window cills, stooled cills and slip cills. Stooled cills have a stooling of approximately 102.5mm at each end of the window built into the wall.

Make your building more detailed and charming by adding a perfect finishing touch with our cast stone standard Sills (or cills) for windows and doors. They make convenient replacement stone window sills or building materials for your new architectural project.

Cast Stone Stooled Cills are manufactured in accordance with BS 5642. Cills are built into walls below windows and other openings in a wall. They are manufactured to replicate natural stone Cills and come in six standard colours: Bath, Buff, Holyrood, Portland, Glamis Red & Sherwood.

Cast Stone Window Sills are stock products to enable Fast delivery. Our reconstituted stone ranges include Stooled Cills, Slip Cills and Bay Window Cills in many Lengths.