SIGA 112s

SIGA 112s is a smooth, dark blue grey slate sourced from our quarries in northern Spain. It has National Parks Approval which ensures it can be used in new build, conversion and refurbishment projects in the National Parks. The 7mm thickness is suitable for the North of England and the 5mm for the South, West, East and Southern Home Counties including London.

Region Used:

London, North West, North East, East Midlands, West Midlands, East Anglia, South West, South East

Product Types:

New Build, Conversion/Refurbishment, National Parks




Dark Blue Grey




5mm, 7mm

Sizes Available:

500 x 250mm, 450 x 330mm, 400 x 250mm*Other sizes may be available to special order. Please contact us for details.


75 Years

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

SIGA warranties are backed by SIG Roofing, the UK’s largest distributor of roofing materials. The performance of the slate is warranted for the stated period, subject to installation in accordance with prevailing British Standards and good roofing practice.

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