Clay & Concrete Block Paving For many years Butterfields have been a major supplier of both clay and concrete block paving for drives, paths, gardens, etc. Our extensive stock range gives you a chance to select from a combination of material, colour, style, size, shape, finish and price to ensure you achieve the desired look to your project. All your material requirements for the sub bases and preparation are held as part of our standard stock. Stock (Clay) York Hand Made Clay Pavers & Cobbles FLB Square Edge & Chamfered Edge Baggeridge Sea Sand Drag Faced (5 colours) Stock (Concrete) Cemex 60mm Chelsea Avenue Setts (2 colours) & Kerb Bretts Omega 50mm (3 colours) Bretts Omega 60mm (7 colours) Bretts Alpha 60mm Bretts Penta Bretts Kerb Systems (2 types, 3 colours)