Westmorland Green Slate

Elterwater is a pale green stone, often highlighted by contrasting markings which emphasise its natural origins. Characteristically thick with a pronounced texture it is regularly chosen for heritage projects.

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








10mm, 12mm

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