Cuprinol garden shades has been specially developed to colour and protect sheds fences and other garden wood its special pigments ensure a rich colour and allow the natural texture of the woodgrain to shine through 4 year protection for use on all garden wood matt finish brush or spray how much do you need 1l covers up to smooth planed wood brush 10 12m spray 4 5m rough sawn wood brush 3 5m spray 2 3m coverage can vary depending on application method and the condition and nature of