Rustins Wood Hardener is a deep-penetrating solution that strengthens and stabilises rotten or decayed timber before filling or painting. Specially formulated to soak into soft or weakened wood fibres, it hardens them to provide a solid base for repairs. Ideal for doors, window frames, sills, and other exterior joinery exposed to the weather, this 250ml tin is perfect for small restoration projects around the home and garden.

Key Features:

• Reinforces and hardens rotten or decayed wood

• Deep-penetrating formula stabilises timber fibres

• Provides a solid base for fillers, primers, or paints

• Suitable for interior and exterior use

• Easy to apply with a brush

Ideal For:

• Restoring window frames and sills affected by rot

• Strengthening exterior doors and trim before repair

• Treating decayed areas in fences or sheds

• Preparing timber for filling and repainting

• DIY or professional wood restoration projects

Application:

1. Remove all loose, soft, and decayed wood.

2. Ensure the area is clean and dry.

3. Apply generously with a brush, allowing the solution to soak in.

4. Reapply as needed until the wood no longer absorbs the liquid.

5. Allow to dry fully before applying filler, primer, or paint.

Available Sizes:
250ml