Width 121mm Thickness 21mm Length 1.2m (4ft), 1.8m (6ft), 2.4m (8ft), 3.0m (10ft), 3.6m (12ft) Face Coverage 110mm Overlap 11mm Timber Type Slow Grown Joinery Grade Scandinavian Redwood Surface Finish Planed Timber Treatment Green Pressure Treated. Warranty 15 year treat right Warranty. Heavy-duty planed & treated softwood cladding. Perfect and suited for exterior buildings including sheds, summerhouses, garages, play sheds or even build your own garden bar and more! Pressure treated to ensure long life and designed to overlap with each other for extra strength and durability.