MAINTENANCE OIL Kährs Satin Oil is a hardening urethane oil for maintaining wood and parquet floors. Satin Oil gives the floor a protective oil layer with a beautiful shine. Satin Oil protects by penetrating the floor surface. AFTER INSTALLATION Kährs oil finished floors should be given a supplementary surface treatment with Kährs Satin Oil. The main reason for this is to prevent water penetrating the joints between boards through capillary action. MAINTENANCE ON DEMAND How often the floor then needs maintaining depends on use, cleaning, exposure to sun light etc. The normal frequency of subsequent maintenance is at least twice a year.