DAP PLASTIC WOOD Hardener, a user-friendly, latex-based formula, seals and restores decayed wood fibers. It adheres strongly to dry, wet, and engineered wood, fortifying existing fibers for durable repairs using wood putty or fillers. Water-resistant and promoting excellent paint adhesion, it's ideal for both indoor and outdoor use. Easily brushed on and cleaned up with water, it can be sanded for a smooth finish. Use it to prime damaged wood like windows, trim, and doors, ensuring a solid base for effective repairs.