Ronseal High-Performance Wood Filler Hardener, 30g
High-performance Ronseal wood filler for deep repairs (5mm+). Quick-drying, durable & ideal for windows, doors & sills.
The Ronseal High Performance Wood Filler Hardener is a chemically bonded filler and catalyst designed for extremely tough repairs to wood without shrinking or cracking. Suitable for both indoor and outdoor use, it fills deep damage (over 5mm) and can be drilled, screwed, or planed after application.
Key Applications
This high-performance wood filler is perfect for repairing window frames, sills, doors, and door frames with severe damage. For minor or surface repairs, Ronseal Multi Purpose Wood Filler is recommended instead.
Available in three colours (Natural, Dark, or White), this versatile hardener ensures seamless blends with existing woodwork. The 30g sachet delivers an easy-to-use and mess-free application with a filling knife.
Features
- Dries quickly (approx 30 mins)
- Very high protection level
- No shrinking or cracking
- Suitable for deep repairs (+5mm)
- Paintable and sandable once cured
Ideal for both professionals and DIY enthusiasts, the Ronseal High Performance Wood Filler Hardener offers a long-lasting solution for damaged wood surfaces.
- Window frame repairs
- Sill restoration
- Door repairs
- Door frame fixes
- Type: Chemically bonded filler & catalyst
- Form: Hardener (supplied in sachet)
- Size: 30g
- Drying Time: approx. 30 minutes
- Protection Level: Very High
- Depth Suitability: >5mm in wood
- Finish Options: Natural, Dark, White
- Application Method: Filling Knife
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
