You can apply this garden wood preserver from the Cuprinol Ultimate range to, using a brush, to colour and provide protection. It takes 2-6 hours to dry and will cover up to 5m² per litre on average. The Cuprinol CUPGWPRERC4L Ultimate Garden Wood Preserver has the following features. Cuprinol Ultimate Garden Wood Preserver has a superior, water-based formulation that works in 3 ways. Its UV filters give long lasting colour for up to 5 years, added waxes and resins provide advanced weather protection and active ingredients penetrate deep into the wood to protect against rot, decay and blue stain. Ultimate Garden Wood Preserver can be used on all types of rough or planed wood such as sheds, fences, summer houses, gates and arbours. Drying Time: 2-6 hours.