pigment based graying Germany

... the deep impregnation of its non-film forming surface. It produces a durable, water-repellent and weather and UV-resistant surface. Graying Oil is free of toxic agents, odorless when dry and inoffensive in terms of building biology. Reduces swelling as well as cracking. Graying Oil is impervious to most household chemicals such as beer, wine, juice and water. It is open-pore, permeable to vapor and balances out the natural, weather-based graying of untreated wood outdoors. It is also suitable for post-treatment of weathered wood surfaces.