1 x Cuprinol Ducksback 5 Year Waterproof for Sheds & Fences Harvest Brown 5 litre Cuprinol Ducksback has an advanced, wax enriched, formulation which colours and weather protects rough sawn garden wood for up to 5 years. The formulation is also showerproof in 1 hour, and its non-drip formulation minimises mess during application. It is quick drying, low odour and safe to use to use around plants and pets. Ducksback is ideal for restoring and enhancing the appearance of sheds and fences, and will help to keep them looking good for years to come. Coverage: A 5 litre pack covers up to 24 square metres with one coat.