Satin top coat designed for decking already treated with Osmo Decking Oil. Contains a special highly compressed organic non-slip additive, which is evenly distributed in the coating and prevents slips. Contains active ingredients that create a preventative protection against mould, algae and fungal attack. The microporous finish is based on natural vegetable oils and allows the wood to breathe and helps regulate the moisture content reducing swelling and shrinkage, the finish will not crack, flake, peel or blister. High quality, long-lasting protection with no sanding necessary – simply recoat.