For heavy mould / algal growth apply undiluted. For lighter growth dilute with an equal amount of water. Apply Cuprinol Decking Cleaner generously by brush, spray or watering can (fitted with a rose). When spraying, use a coarse (airless) spray and avoid misting. Scrub affected area with a stiff brush, leave for a few minutes and then rinse off with water. Allow to dry fully before staining or oiling the deck. Cuprinol Decking Cleaner is not intended as a replacement for the regular treatment of your deck.
16 hours. Drying times can vary depending on the nature of the surface and the weather conditions.
Remove as much cleaner as possible from equipment before cleaning with water. Do not use or store in extremes of temperature or wet conditions.