CUTEK Extreme CD50 10LtCUTEK Extreme CD50 10 litre High penetration, oil based timber stabiliser for exterior decking, cladding, fencing, and furniture Penetrates deeply and remains permanently mobile inside the timber self healing action migrates to cuts and perforations to maintain protection Prevents warping, cupping, and splitting by controlling moisture from the inside out Will not flake or peel fades gradually over time instead Timber must be clean, bare, and dry