Regency Purbeck Stone Promenade tile Composition The formulation includes Metakaolin, a pozzalanic material. The benefits include increased strength, better surface definition and density, resistance to chemical and acids attack and importantly it dramatically reduces the possibility of efflorescence from occurring. Dimensions and Weights Nominal Size: 297mm x 297mm x 15mm Weight of each tile: 3kg approx Coverage: 11 tiles per square metre Manufactured from a blend of High Strength Portland Cement, Silica Sand, admixtures, finest quality pigments (where applicable), alkali resistant Glass Fibre for tensile strength and processed granular Mendip Limestone to improve wear. This tile is not suitable for use on Pave Support Pads. The latest addition to the range. Our unparalleled attention to detail and commitment to quality has resulted in a riven finish so defined it is indistinguishable from natural stone. Available in an unrivalled choice of colours it provides a solution where aesthetic excellence is required as well as the strength and durability offered by GRC.