About

SIGA Slate is a brand of SIG Roofing. We specialise in the sourcing and delivery of top quality natural roof slate. We have a team of experts based in the slate district of Galicia in north western Spain, the origin of most of the world's natural slate, as well as a team of dedicated natural slate specialists covering the UK. The UK slate team provides support to roofers and designers on clauses, specification and quantities required to complete a first class roofing project, whether new build, extension or refurbishment. The UK slate team is backed-up by in-house colleagues offering estimating, training and detailing advice.


SIGA slates are sourced from suppliers who have been assessed, and are audited to confirm compliance with quality, environmental, H&S and ethical business standards. The SIGA slate range is augmented by the best known roofing slates from around the world, including Welsh, Cumbrian and Canadian natural slate.


With over 100 branches across the UK, delivery to construction site or slater/roofer's premises is just a phone call away.


Of course the full package of accessories are also available from our branches. SIG Roofing make completing your roofing project straightforward and problem free. We supply underlay, fixings and even timber battens. SIGA slate everything you need for a slate roof in one place.

CPD material

Natural Roofing Slate: Effective Specification

SIGA Natural Slate

Natural Roofing Slate: Effective Specification

Design, construction and technology