Special primer for types of wood and wooden materials rich in active substances. Prevents drying delays caused by tanning substances in the wood, breakthrough of discolouring ingredients in white coatings and efflorescence on salt- and pressure-impregnated wood. Recommended for use on Oak, Red Oak, Ash, Cherry, Chestnut, Nut, Larch, Bamboo, Framiré, Red Cedar, Red Meranti, Almendrillo (Cumaru), Jatoba (Paquio), OSB and Cork.