Independent Slates Supplies (ISS) are specialists in the import and distribution of high quality, competitively priced roofing and flooring products including: Natural Slate Roofing Natural Slate Flooring Natural Slate Sills and Hearths Fibre Cement Slates Ventilation Hips and Ridges Accessories including nails, hooks, adhesive, grout and sealant ISS are known for their long established relationships with some of the world's finest quarries; particularly in Brazil and Spain, which enables ISS to provide a consistent supply of high quality products through our national network of roofing and builders merchants. We are also proud to 'supply British' and can source a range of premium natural slate products originating from English, Welsh, and Cornish quarries.