Barrettine's Nourish & Protect Wood Preserver is a high quality, low odour, oil/solvent based, deep penetrating preserver which is used for the protection against wood destroying fungi (wet rot), wood discolouring fungi and wood-boring insects. It provides a semi-transparent matt/ satin finish, allowing the natural wood texture to be visible. No subsequent top coat product is required unless for aesthetic purposes. It is intended for outdoor use and also for use on windows/frames, external doors/frames (internal & external sections). The clear product can also be used on structural timbers in unoccupied areas such a floor joists.