Ronseal Wet Rot Wood Hardener

Ronseal High Performance Wet Rot Wood Hardener is designed to strengthen rotten timber and help stop wet rot from spreading, making it easier to repair damaged wood instead of replacing it. The deeply penetrating formula reinforces weakened timber, helping restore strength before filling and finishing.

Suitable for use on interior and exterior wood, including doors, windows, window frames and door frames, this wood hardener is ideal for repairing areas affected by wet rot. The wood hardener prepares the timber for further repair, helping extend the life of existing wood while reducing the need for costly replacements.