Product features Lasts twice as long as standard decking oil Protects decking from greying and splitting Keeps the natural look and feel of the deck Highlights the beauty of the wood Rainproof in 90 minutes Ronseal Ultimate Protection Decking Oil nourishes decking while giving it a beautiful natural finish. It’s tough against changeable weather conditions and can cope with general wear and tear. It also lasts twice as long as other decking oils. Recommended usage is 2 coats applied by brush or pad. This will give roughly 40m2 coverage.