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    Wood Fillers

    A perfect Wood Finish, whether painted or stained, depends on the quality of the surface itself. Cracks, nail holes, chips, and gouges can ruin the final look, but they are easily remedied with a high-quality wood filler. At Nebula Paints, we supply professional-grade fillers designed to provide strong, durable, and seamless repairs, creating the perfect invisible mend and the ideal base for any finish.

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    P51 1Kg Glass Fibre Filler Incl. Hardener (1KG) in a tin container by Mipa, green polyester filler for automotive repairs.
    2K Transparent Putty 1ltr - Rosner transparent polyester putty container for easy sanding and professional finish.
    Mipa E90 2K Epoxy Putty 1 Kg canister for automotive and industrial repair applications.
    Save £9.77Airo-Chemie Polyester Sprayfiller 1.5kg - White can shown with label design.
    Save £16.04Airo-Chemie Unispray Grey Sprayable Filler 1.5kg can showcasing high-quality polyester universal filler.
    Soudal Fix ALL® High Tack Adhesive Sealant (290ml) - super strong adhesive for bonding and sealing tasks.
    4 colors available
    Rosner PUR Insulating Ground White 7.5 KG canister for wood finishing with safety labels and instructions.
    Mipa P16 Putty with Hardener 1L – Versatile polyester filler for automotive repairs.
    Mipa P80 PE Hard Putty with Hardener 1kg in a metal can, ideal for automotive surface repairs.
    Save £48.68Airo-Chemie FIX Polyester Resin 5kg + Spatula packaging with branding and safety icons.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin + Spatula (5kg)

    Sale price£74.99 GBP Regular price£123.67 GBP
    Save £22.18Airo-Chemie FIX Polyester Resin 2.5kg + Spatula packaging, featuring clear labeling and safety information.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin 2.5kg + Spatula

    Sale price£39.99 GBP Regular price£62.17 GBP
    Save £10.40Airo-Chemie FIX Polyester Resin 800g + Spatula for car body and fibreglass repair.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin 800g + Spatula

    Sale price£14.99 GBP Regular price£25.39 GBP
    Save £4.03Airo-Chemie FIX Polyester Resin 250g + Spatula product packaging with fiberglass material details.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin 250g + Spatula

    Sale price£6.99 GBP Regular price£11.02 GBP
    Save £198.04Airo-Chemie FIX Polyester Resin 25kg can with safety warnings and usage instructions on label.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin 25kg

    Sale price£299.99 GBP Regular price£498.03 GBP
    Airo-Chemie FIX Polyester Resin 5kg can, high quality polyester resin for car body repair and fibreglass parts.
    Save £20.47Airo-Chemie FIX Polyester Resin 2.5kg packaging featuring clear labeling and high-quality construction.
    Airo-Chemie

    Airo-Chemie FIX Polyester Resin (2.5kg)

    Sale price£34.99 GBP Regular price£55.46 GBP

    Wood Fillers Frequently Asked Questions

    How long does wood filler take to dry?

    The drying time for wood filler depends entirely on the type of filler you are using, the depth of the repair, and the ambient conditions like temperature and humidity.

    • Ready-Mixed / One-Part Fillers: These fillers harden as the water or solvent within them evaporates. For small repairs, they can be touch dry in 15-30 minutes and sandable in 1-2 hours. However, deeper repairs may need a full cure time of 24 hours or more, especially in colder temperatures.
    • Two-Part Fillers (Epoxy or Resin): These fillers harden via a chemical reaction, making their cure time much more predictable. You typically have a working time of 5-15 minutes before the product starts to harden. They are often sandable within 30-60 minutes and reach their full cure and maximum strength within a few hours.

    Always check the product's packaging for the manufacturer's specific instructions, as this will provide the most accurate guidance.

    How do you use wood filler for an invisible repair?

    Using wood filler correctly is a straightforward process that ensures a smooth, seamless, and durable repair. The key to making it invisible is in the preparation and sanding.

    1. Preparation: The surface must be clean, dry, and free from any loose, splintered wood. Sand the area lightly to create a "key" for the filler to grip onto, and remove all dust.
    2. Mix (If using a two-part filler): If you are using a two-part product, mix the filler paste and the hardener according to the instructions until you have a consistent colour.
    3. Application: Using a clean putty knife or spreader, press the filler firmly into the hole or crack. This ensures there are no trapped air bubbles.
    4. Overfill Slightly: The most important tip for a flush finish is to apply enough filler so that it sits slightly "proud," or raised, above the level of the surrounding wood. All fillers shrink slightly as they dry, and this extra material gives you something to sand back.
    5. Sand Smooth: Once the filler is fully hardened, start sanding. Use a sanding block to keep the surface flat and begin with a medium-grit paper (like P120). Once the repair is level with the wood, switch to a finer grit (P180 or P240) to remove the initial sanding scratches for a perfectly smooth finish.

    Can you stain wood filler?

    his is a very common question, and the answer is nuanced: most standard wood fillers do not accept wood stain in the same way as real wood.

    Once cured, wood filler becomes a non-porous, plastic-like material. When you apply stain, it will likely be much lighter on the filled patch than on the surrounding wood, resulting in a noticeable, mismatched repair.

    Here are the best strategies to get around this:

    • Use a "Stainable" Wood Filler: Some specific fillers are formulated to be more porous and accept stain better than others. While still not a perfect match, they provide a much better result.
    • Match the Filler Colour: A more reliable method is to choose a filler that is already coloured to match the final stained appearance of your wood. Many brands offer a range of wood tones.
    • Paint Over the Filler: The most common professional solution is not to stain, but to paint. Once the filler is sanded smooth, apply a primer and then paint the entire piece. This completely hides the repair and gives a uniform, consistent finish.

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