General description This 5 x 17 (1.5m x 5.2m) Pressure Treated Timber Base is made from C16 graded timber, ensuring durability and strength for various construction projects. It features a pressure treatment that provides enhanced protection against rot and decay, making it suitable for outdoor use. Technical specifications Dimensions: 5 x 17 (1.5m x 5.2m) Timber grade: C16 Timber size: 45mm x 70mm Warranty: 10 Year Anti Rot Warranty