Advanced Wood Protection Cutek Extreme is a unique wood protection oil which when properly applied, keeps wood and bamboo protected for many years. It comes as a clear oil, with a choice of 10 Cutek Colourtones that can be added to enhance the natural look of your project. Cutek Extreme is formulated to minimize warping, cupping and splitting, which means your exterior project lasts years longer. Cutek Extreme Clear fades over time, but retains the natural wood colour, minimizing maintenance requirements for wood. With a Cutek Colourtone, the added UV protection keeps the natural colour for much longer. IMPORTANT: Any existing film on your wood project MUST be removed completely by sanding or stripping before applying Cutek Extreme. Why would I choose Cutek Extreme for my project? Cutek Extreme is especially suitable for thermally modified wood and other alternatives to traditional hardwoods. Cutek Extreme is simple to apply, easy to maintain and cost effective. See the How to use Cutek Extreme with Wood fact sheet for or more information. Use Cutek Extreme to protect: Weatherboards, shingles, windows, doors, plywood, log buildings, beams, outdoor furniture, decking, fascia boards, shutters, garage doors, joinery, spa pools, fences, posts… in fact virtually anything made of wood. Cutek is a high-grade synthetic oil developed in Australia, one of the harshest climates in the world. The CUTEK approach to protecting wood is completely different to most other wood care systems as it penetrates and continues to migrate into the wood to protect from within. Unlike most other wood coatings, CUTEK will not form a film so doesn’t need sanding or chemical stripping for ongoing care.Once CUTEK has been fully absorbed into the wood, it stays inside long term to reduce moisture getting in and out. This greatly reduces the potential for splitting, checking, warping, cupping and other wood-related movement problems. CUTEK provides much higher levels of protection over other