We can supply any type of window sills or steps you can think of, including profiled sills with sloping tops, rebates, drip grooves and more.
- There are two finishes available – riven (naturally split) and fine rubbed (smooth matt). Click here for further details.
- There is a choice of 3 edge profiles – 3mm chamfer, pencil round, or sawn. Click here for further details.
Please use our calculator below for prices on our standard shapes – and you can buy online right now! Alternatively, contact us with your bespoke requirements. We can supply any shape or profile you require – please send a drawing for specials. Manufacture time all 20mm to 30mm thick and 40mm & 50mm thick for internal use approx. 4 weeks depending on quantity ordered. 40mm & 50mm thick for external use (contact us) If you are in the trade check out our Slate Blanks Delivery & VAT calculated in basket.