Planks size: 1200 x 193 x 8mm Fit for use: AC3/W31 – Heavy domestic/moderate commercial grade 8mm HDF core with and average board density >850kg/m3 low <18% swell rate EN13329 Compliant Timberland finish, Square edge L2C locking system Warranty: 15 years Heavy Domestic use / 5 years Moderate Commercial use