SIGA Slate carefully manages every single step of the journey, from the quarry to the roof. This monitoring and careful selection ensures that your slate roof is not only aesthetically beautiful and strong, but that you also have consistency and traceability that’s second to none. Our slates are backed by genuine warranties of up to 75 years, proof that we truly believe that they can deliver. All our slates are fully compliant with the Construction Product Regulations, are CE marked and traceable back to source.