Slate is a totally natural product that has been used for centuries. As a natural material, it varies hugely in quality, which is why SIG offer a wide range of slates to the specifier to suit each project. A SIGA number specifically defines the quarry and selection of slate, guaranteeing traceability and consistency that is second to none.

All our slates achieve the required performance of T1/S1/W1 in accordance with BS EN 12326-1:2014 as a minimum, and approved for use by Snowdonia National Park.

We are constantly reviewing the market to source varied natural slates from across the world, to bring you quality and consistency for your projects.

We select our slates from a wide range of quarries and they are categorised into Prestige, Excellence, Commercial and Classic ranges, to assist you in the process of selecting the correct natural slate for your project.

The SIGA Slate procurement process ensures that you can be confident that you have chosen the right product for your project.


Approvals and Affiliations
Company News