Ecological white water based undercoat ideal for interior wooden surfaces. It is certified by ASAOS and fulfills the criteria of the European Union Eco-Label Board. It exhibits strong adhesion on surfaces painted with solvent based enamel paints. Due to its special formula protects the user and does not pollute the environment. It does not contain dangerous substances, such as heavy metals, free formaldehyde, aromatic hydrocarbons.? It has excellent working properties, easy sanding and high hiding power and provides perfect adhesion for the final coat.