Weathershield ultimate woodstain is a high performance solvent based exterior woodstain which produces a water repellent satin finish unique ultimate wood protection technology from dulux trade means exterior joinery cladding and doors are all protected from extreme weather for up to 10 years if used in accordance with instructions and so looks better for longer suitable for hardwoods and softwoods smooth wood 20m per litre per coat normally 2 coatscoverage 20m per litre touch dry 4