Brick Dimensions (L x W x H mm): 215x102x65 Size Tolerances Mean & Range: T2 R1 Configuration: Single Frog Voids (%): 8-13 Compressive Strength (N/mm²): 15 Active Soluble Salts: S2 Water Absorption (% weight): 25 Durability: F2 Gross Dry Density (Sound Insulation) (Kg/m³): 1450 Ibstock 65mm Leicester Multi Cream Stock clay facing brick