Barrettine Clear Universal Wood Preserver provides a colourless finish as a primer for further overcoating with paint or varnish. Can be used on untreated wood or treated timber outdoors and also for use on windows/frames, external doors/frames (internal & external sections). Can also be used on structural timbers in indoor unoccupied areas such as floor joists. A Universal low odour solvent-borne ready to use product. It actively protects against wood destroying and wood discolouring fungi as well as against wood boring insects. This Universal Preserver has good penetrating power transporting the actives into the wood and provides a degree of vapour permeability. Coloured versions contain UV fade resistant pigments that provide some protection to the wood from damaging sunlight. The finish given is semi-transparent to allow the natural texture of the grain to be visible with a matt to satin effect depending upon wood smoothness and number of coats applied; when fully dry it is odourless. Can be used as a final topcoat or as a primer. When using as a primer and in conjunction with a topcoat product such as a paint, always check for compatibility. Suitable for outside applications including joinery in external walls such as doors, windows and their frames (inner & outer surfaces), facades, carports, shutters and balcony railings. Also, for use on wood in unoccupied areas such as ground floor joists or where wood is resting on the ground / hardstanding and only submitted to intermittent wetting (rain) such as garden products. It is not suitable to treat wood for any in-ground use or where the wood is permanently subjected to continual wetting (streams, ponds etc). Barrettine Clear Universal Wood Preserver is a ‘colourless’ high-quality, low odour oil/Spirit wood preservative that is deep penetrating. This wax-free primer Wood Preservative is used for wood protection against wood-destroying fungi (wet rot), wood discolouring fungi and wood-boring insects.