External Cast Stone Window Sills

CMS Danskin Acoustics' External Cast Stone Window Sills are manufactured using high quality crushed rock fines and a blend of sands giving the appearance of natural stone.


  • Lighter weight profile
  • Available in either full lengths (1.5m & 900mm) or cut to bespoke sizes
  • High quality, through colour to suit the project: Light Grey, Dark Grey & Brown
  • Standard widths: 165mm & 190mm
  • Easy to cut
  • Repair mixes available
  • Request a sample pack today

Sill Dimensions

Our cast stone sills are readily available in two profile widths 165mm and 190mm, and three standard lengths, 1.5m and 900mm. Read More...

Cutting Service

CMS Danskin Acoustics' external cast stone window sills are easy to work with. For your convenience, CMS Danskin Acoustics offer a bespoke cutting service. Contact us for details.