Ronseal Ultimate Protection Decking Stain 5 litre penetrates deeper into the timber, providing better adhesion with a harder surface, leaving your decking protected and stained with ultimate weather and UV protection. It uses the latest advanced technology to give maximum decking protection, colour and weather resistance, lasting up to twice as long compared to standard decking stains. Ronseal Ultimate Protection Decking Stain is: Slip resistant - Full colour range - Rainproof in just 90 minutes - Gives the highest level of foot traffic protection. 2 x Coats required. Coverage estimated at 6-8 square meters per liter per coat.