FORESTWOOD EXTERIOR & MARINE VARNISH - HIGH GLOSS - NATURAL - 1 LITRE - WATTYLWattyl Forestwood Exterior and Marine Varnish provides a tough, high gloss finish specially formulated to protect exterior and marine timber surfaces. Designed with protection in mind, it combines flexibility with powerful UV absorption. It contains a highly effective UV absorber to counter the destructive effects of the suns rays which can darken and discolour exterior woodwork. Not suitable for interior use, walk on surfaces and areas subject to