SIGA 50x is an attractive dark blue black slate which has a slightly textured finish. It is commonly used in the South of England, East Anglia and the West Country and is suitable for quality housing developments, self build and other new build and refurbishment projects.

Region Used:

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

Product Types:

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




Blue Black


Slightly Textured



Sizes Available:

500 x 250mm, 400 x 200mm*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 EN12326-1:2004.

  • 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