The liberon garden colour care exterior woodstain contains a highly resistant resin for a variety of exterior wood surfaces including cladding fences and other vertical timber it has an anti drip formula that is waterproof and uv resistant suitable for use on most types of european and exotic woods new or old including oak softwood larch douglas and red cedar also with most old oils once surfaces are painted it has an 8 year guarantee preparation ensure the surface is clean dry and non greasy sa