Sourced from our own quarries within the Johnston Quarry Group, our Oolitic limestone and ironstone cills are the perfect finishing detail for any property. Our stone cills can be paired with our stone heads or look equally as striking alone.
We are the sole supplier of ironstone in the UK and a reliable, trusted supplier of various high-quality limestones. Our stone cills are available in a range of standard sizes for windows and bays. They can also be produced to your measurements determined by your frame or opening size. Whichever specification you choose, our stone cills are sure to enhance the appearance and quality of your build.
Please contact our friendly design team who would be happy to talk you through the process and all the natural stone cill options available to you.
Our natural stone cills range includes the following types:
- Flush – with chamfer
- Flush – square
- Left-hand stooled
- Right-hand stooled
- Bay set returned
Our stone cills are available in:
- Bath Stone
- Cotswold Gold Limestone
- Cotswold Cream Limestone
- Creeton Limestone
- Great Tew Ironstone
We recommend that our stone cills are installed using best practice building guidelines in order to ensure the prevention of movement damage to the building.
On request, water bar grooves can be cast in the upstand.