SIGA 39 is an oustandingly successful first selection slate which is flat, uniform and of consistant thickness. With an aesthetically pleasing blue grey textured finish and excellent performance characteristics, it is the obvious choice for new build and refurbishment projects. Minimal sorting is required which enables fast paced installation, contributing to its popularity.

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


San Vicente, Spain


Blue Grey




5mm, 7mm

Sizes Available:

500 x 250mm, 400 x 250mm, 400 x 200mm

*Other sizes may be available to special order. Please contact us for details.


75 Years


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.