Minwax High-Performance Wood Hardener is a quick-drying liquid formulated to strengthen and reinforce decayed or rotting wood.

• The hardener penetrates deep into the wood, and its special resin binds and reinforces the decayed wood fibers
• High-Performance Wood Hardener seals from further moisture penetration and hardens to a rock-hard solid base for lifting
• Designed to strengthen wood fibers of interior or exterior rotted wood before the application of Minwax High-Performance Wood Filler