Cuprinol 5 Year Ducksback 5Lt - Silver Copse provides 5 years of advanced, weatherproof protection for sheds and fences. The non-drip low odour formulation is easy and pleasant to apply, and wax enrichment ensures effective water repellence and frost protection in all seasons. Cuprinol 5 Year Ducksback provides great colour and long-lasting protection that is showerproof in just 1 hour - perfect for keeping your garden timber looking lovely.