Dry Flex 1 2-in1Repair Care Dry Flex 1 2 in1 is resin ideal for the permanent repair of decayed and damaged wood. Can be sanded and painted after 1 hour. Product features: Supplied in a single cartridge, Suitable for permanent repair of decayed and rotten wood, including windows, doors, fascias soffits, stairs and furniture. The quick emergency repair of damaged wood. The filling of cracks, gaps and construction joints. External and internal applications.