High-quality pressure treated sawn timber. Our PSE timber has many uses, including the perfect shed framing. Mainly used for exterior work and has been pressure treated to ensure long life and resistance to rot. Width (MM) - 145mm Finished Size Thickness (MM) - 19mm Finished Size Length (M) - 1.8m (6ft), 2.4m (8ft), 3.6m (12ft) Surface Finish - Plane Square edge Timber Type - Joinery Grade Scandinavian Redwood Timber Treatment - Green Tanalith Pressure Treated.