• Nation wide deliveryNation wide delivery
  • Quality SlateQuality Slate
  • Made to MeasureMade to Measure

Window sills

Manufactured from the finest slate our window sill range have everything to offer from our premium product to our budget cost effective option. On this page, you find our standard sizes if you wish to receive a made to measure quotation, then please see our bespoke section of our web site.

Tilemaster adhesives and grouts are available including Fila sealant and cleaners

Welsh Slate Fine Rubbed Slate Sills

Precision made slate sills

Welsh Slate window sills are available in a fine rubbed smooth finish manufactured in a 30mm thickness.

Our standard sizes are found on this page manufactured and ready for delivery. Quarried in the heart of Snowdonia, our dark blue-grey slate has a fine rubbed smooth finish. Sills made from our slate will not only look great, they will also last a lifetime.

Other sizes are available on request please contact our sales team for more information 01766 514700


  • Walls
  • Outdoor

Mont Black Fine Rubbed Slate Sills

Mont black fine rubbed window sills made from the finest imported slate a premium product manufactured with Precision. Available in a selection in standard sizes.

This premium product manufactured to a high standard is mostly available in our bespoke section we can manufacture various sizes in 30mm 40mm and 50mm thickness.

Dark grey in color almost anthracite, contemporary looking slate that will compliment most window design. See bespoke section for more information on how to obtain a cut to size quotation.