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Wood Filler vs. Wood Repair Resin: What’s the Difference and When to Use Each?

Oxera Repair

When it comes to wood repair, choosing the right product can make all the difference in the quality and longevity of your work. Two of the most common options are wood fillers and wood repair resins, but they’re not interchangeable. Understanding their differences and knowing when to use each can save you time, effort, and money on your projects.




What Is Wood Filler? 


Wood filler is a versatile and widely used product designed to fill small holes, cracks, and surface imperfections in wood. It’s often made from a combination of wood fibers, cellulose, and binders, creating a putty-like substance that can be easily applied and sanded smooth.


Pros of Wood Filler:

  • Easy to apply and shape

  • Dries quickly and sands well

  • Ideal for interior applications

  • Can be stained or painted for a seamless finish


Cons of Wood Filler:

  • Prone to shrinking and cracking over time

  • Not always suitable for large or structural repairs

  • Limited durability in exterior environments


What Is Wood Repair Resin? 


Wood repair resin, like Oxera’s Rebuild Range, is a high-performance solution designed for more durable, long-lasting wood repairs. Typically epoxy-based, wood resins create a hard, weather-resistant bond that’s perfect for exterior projects or structural repairs.


Pros of Wood Repair Resin:

  • Exceptional strength and durability

  • Resistant to water, rot, and weathering

  • Bonds tightly with wood, preventing shrinkage

  • Suitable for both small repairs and large structural fixes


Cons of Wood Repair Resin:

  • Longer curing time compared to some fillers

  • Requires proper mixing and application

  • Slightly more expensive, but worth the investment for longevity


When to Use Wood Filler:

  • Interior repairs like filling nail holes or minor surface dents

  • Small cosmetic fixes before painting or staining

  • Areas not exposed to moisture or heavy wear


When to Use Wood Repair Resin:

  • Exterior repairs where durability is essential

  • Structural repairs, such as window frames and door jambs

  • Rotten wood replacement and reinforcement

  • High-traffic or moisture-prone areas


Why Choose Oxera’s Rebuild Range? 


For professional-quality wood repairs, Oxera’s Rebuild Range offers a selection of high-performance wood resins and stabilisers. Whether you’re a decorator, builder, or joiner, you can trust Oxera products to deliver results that stand the test of time.


Choosing between wood filler and wood repair resin comes down to the demands of your project. For quick, simple interior fixes, wood filler does the job. But for exterior, structural, or long-term repairs, wood repair resin is the clear winner. Investing in high-quality products like Oxera’s Rebuild Range ensures your woodwork stays strong, durable, and beautiful for years to come.


Explore the Rebuild Range today.


 
 
 

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