In order to reduce the contractual burdens of Main Contractors, we carry out a number of disciplines, in order to offer a more comprehensive service package:   • Slates       - Welsh, Spanish, Canadian, Argentinian and English natural slates (sized)       - Natural slates (random diminishing)       - Reclaimed natural slates       - Fibre cement slates        • Tiles       - Large format concrete interlocking tiles (Redland, Marley, etc.)       - Concrete plain tiles       - Large format clay interlocking tiles (Sandtoft, etc.)       - Clay plain tiles       - Coated metal tiles (Decra, Metrotile, etc.)        • Shingles       - Cedar shingles       - Cedar shakes       - Bitumen shingles        • Leadwork       - Flashings, soakers, valleys, cappings, etc. associated with the roof coverings       - Horizontal box gutters, outlets, etc.       - Lead flat roofing       - Lead pitched roofing        • Structural Liner Trays       - Arcelor Tactray 90       - Kingspan KS1000ts        • Solar Panels       - Redland Photovoltaic systems       - Worcester Bosch solar water heating panels        • Rooflights       - Roto rooflights       - The Rooflight Company       - Velux rooflights