SIGA Quebec Slate

The SIGA Quebec slate is dark grey/blue grey in colour. It is characterised by its surface texture which exhibits a fine longitudinal grain, consistent thickness and absence of pyrite or metallic intrusions.

Region Used:

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

Product Types:

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




Dark grey




4-5mm, 5-6mm, 7-9mm

Sizes Available:

610x305mm, 508x305mm, 508x254mm, 457x254mm, 406x254mm


75 Years

Product Specifications


Samples have been tested in accordance with, and comply with, the relevant sections of EN12326-1:2014. BSI Kitemark KM 08014.

  • Thermal Cycling T1
  • Exposure S02 S1
  • Water Absorption W1 (? 0,6%)
  • Meets the requirements of NHBC Standards.
  • Tested in accordance with ASTM C406-06 classified as Class S1. Belgian natural slate technical assessment and approval ATGH768.

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