SertiWOOD Whitewax The attractive whitewash finish of our SertiWOOD timber cladding is the perfect complement to both modern and traditional interiors. Using slow-grown Nordic spruce creates premium quality and a durable product, designed for quick and easy installation. The ends have a special profile to give a seamless joint where long lengths are required, to create a beautiful flow inside your home or office space. Non-toxic treatment Meets the UK and European Cladding Regulations CE marked to EN14915, BS1186, BS8605