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How to Use Bondo to Fill Holes in Wood

Have a hole in wood you are wanting to paint?  Let me show you how to use Bondo to fill holes in wood!  I have been using Bondo for a few years now to fill in holes from old hardware or dings, for example. It has minimal shrinkage and doesn’t crack like other wood fillers do. Take a look below and I’ll show you how to fill holes in wood.

How to Use Bondo to Fill Holes in Wood

When we removed our old bannister we were left with huge holes. But since I wanted to paint the floor again Bondo is the perfect fix.

What you need

  • Bondo
  • Putty knife
  • stir stick
  • Glass bowl to mix the bondo in
  • Sander
  • Sandpaper
  • Primer

How to use Bondo to fill holes in wood

Here is my complete YouTube video on how to use Bondo.  I made a video so you could see exactly how to use Bondo as explaining it can be a little tricky.  Once you get the process down it is pretty easy to use. SUBSCRIBE TO MY YOUTUBE CHANNEL HERE

  1. Put Bondo in a container and add hardener to it. Don’t add too much hardener because it will dry out fast and harden too quickly before you can use it all. Mix the Bondo and hardener together with a stir stick.
  2. Take your putty knife and work the Bondo together to remove any air pockets.
  3. Place your Bondo into the hole and try to create a flat surface on the top.
  4. Sand your Bondo when it is all dry. I use 100 grit sand paper.
  5. Use primer on Bondo before painting!


This is how nice and smooth Bondo is after it is all sanded down.

Fill holes in wood

Prime over the top of it and it is ready to be painted!

Fill holes in wood

Didn’t the final product turn out so great? I love it!!


Diy floor

Happy DIY!



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