SIGA 32 is one of the strongest, hardest slates available from Spain. It combines excellent durability with a rugged, natural texture. Available in two different thicknesses, suitable for all parts of the UK, it is also available in a wide variety of sizes up to 600x300mm. The colour is so well-suited to conservation areas that it is an approved alternative to Welsh slate in Snowdonia National Park.

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


La Bana Region, Spain


Blue Grey




5mm, 7mm

Sizes Available:

500 x 250mm, 600 x 300mm, 300 x 200mm, 500 x 450mm, 600 x 450mm, 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