Ronseal High Performance Wood Filler White 275g
£11.62 exc. VAT
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About Ronseal
Ronseal is a trusted name in woodcare and paint, known for its no-nonsense products that “do exactly what they say on the tin.” Whether you’re protecting decking, restoring fences, or enhancing interior woodwork, Ronseal offers a wide range of solutions designed for lasting performance and ease of use. Their formulas are built to resist the elements, withstand daily wear, and deliver consistently reliable results across all types of timber surfaces.
From their long-lasting Fence Life Plus and 10 Year Weatherproof Wood Paint to durable interior varnishes and specialist wood treatments, Ronseal makes woodcare simple and effective. With options for staining, painting, preserving, and waterproofing, there’s a Ronseal product for every project inside or out.
Product Description
A high performance wood filler that lasts for years even when exposed to harsh weather conditions. It can fill to any depth and dries in just 30 minutes. Its tough formula means it won’t shrink or crack.
- Suitable for use indoors and out.
- Quick drying.
- Can be sanded, planed, filed, nailed and screwed.
- Can be stained, varnish and painted.
- Won’t shrink or crack.
- Suitable for any size hole.
- For interior and exterior wood.
Before you Start
If you’re repairing rotten wood, remove any soft wood and treat it with Ronseal Wood Hardener. This will help the filler to stick and the repair to last. If you’re using this wood filler indoors, open your doors and windows for added ventilation.
Application
- Mix a pea-sized amount of hardener with a golf ball-sized amount of filler.
- Keep mixing until it’s all one colour – you can do this easily in the lid.
- Test the filler on a small area to check you’re happy with the colour.
- If you are, pack the filler into the hole and leave some raised above the surface to make sure it’s properly filled.
- Before it hardens, smooth it over with a knife. You have roughly 20 minutes to carve or shape the filler before it hardens.
- After 30 minutes, the wood filler will be hard and you can sand, plane, file, nail or screw it. You can also stain, varnish or paint over it.
Aftercare
High Performance Wood Filler can cope with any weather so it will last for years.
Cleaning:
Your tools can be washed in white spirit.












