SIGA 112M offers excellent workability and outstanding durability. With an W1(≤ 0,6%), T1, S1 rating, SIGA 112M is the ideal choice for fast coverage on new build projects, as it fully meets current NHBC requirements. The texture and appearance is typical of a first-selection La Bana Hebra slate, with a fine vertical grain. Samples of SIGA 112M have been tested in accordance with, and comply with the relevant sections of EN12326-1:2014. The latest declarations of conformity are available upon request. 112M slate includes a 75 year warranty as all other Excellence slates.

Region Used:

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

Product Types:

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


La Bana Region, Spain


Blue Grey





Sizes Available:

500 x 250mm

*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.