General description Pressure treated timber base measuring 11 x 19 feet (3.4m x 5.8m), made from C16 graded timber with dimensions of 45mm x 70mm. This timber base is designed for durability and longevity, featuring a 10-year anti-rot warranty. Technical specifications Dimensions: 11 x 19 feet (3.4m x 5.8m) Timber grade: C16 Timber dimensions: 45mm x 70mm Warranty: 10 years against rot