Blue Slate

Blue Slate is an even blue grey colour throughout. Kirby Stone, used to create Blue Slate, has been chosen for applications around the world to create classic weather resistant details and surface finishes.

Region Used:

Scotland, London, North West, North East, Yorkshire, East Midlands, West Midlands, East Anglia, South West, South East, Wales, Northern Ireland

Product Types:

New Build, Heritage, Self Build, Conversion/Refurbishment, Housing Developments, National Parks




Blue Grey




7mm, 9mm

Sizes Available:

Available in 3 formats; Patterns: fixed length x fixed width Sized slates: fixed length x random width (min. half length) Randoms: random length x random width (min. half length)

Product Specifications


Samples have been tested in accordance with, and comply with, the relevant sections of EN12326-1:2014.

  • Thermal Cycling T1
  • Exposure S02 S1
  • Water Absorption W1 (? 0,6%)
  • Meets the requirements of NHBC Standards.

Additional Information

Quality Management System – ISO:2015. Environmental Management System – ISO 14001:2015. Ethical Stone Register – Verification Level

Registered Office: SIG Trading Limited, Adsetts House, 16 Europa View, Sheffield Business Park, Sheffield, S9 1XH. Registered in England No. 01451007 VAT No. GB 487 01733