How to Fill Large Holes in Wood on Furniture, Floor, or Wall

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Considering the diversity of wood species out there, it is nearly impossible to find one-size-fits-all wood filler. The key to patch imperfections on the wood material, is by matching the filler to your particular situation, including the finishes and methods used in the woodworking project.

Check out several different ways on how to fill large holes in wood below.

How to Fill Large Holes in Wood Furniture

Shellac stick is a material that has capability to give professional-looking patching job. It is very effective to use on holes, cracks, and gouges on the wood – not to mention it’s available in a few wood tone colors to match with your furniture.

How to Fill Large Holes in Wood Furniture

Here’s how to use it:

Heat the shellac sticks to melt it away. Hold the shellac stick above a knife, on top of heat source until it turns soft with putty or glazing compound consistency.

  1. Put the mush on areas you’re going to patch, and let it sit for an hour or two. Once it turns hard enough, smooth and level up the surface by using plane or sand.
  2. Typically, you do not need to retouch surrounding of the break. However, you may coat the surface with more shellac if you want.
  3. If you feel like the hole is too large, it is possible to get it filled by a cut and trimmed piece of wood. Make sure the cut piece can fit the hold perfectly.

How to Fill Large Holes in Wood Floor

In general, the best way to get the holes in your wood floor filled perfectly with suitable color is by mixing sawdust of the particular wood variety with glue.

How to Fill Large Holes in Wood Floor

As some glue types like carpenter’s glue or PVA may discolor the sawdust, it is important to know the correct type of glue. Otherwise, you may get final result colored in gray or dull yellow.

Wood flour cement is the best glue for this use. It is a kind of epoxy adhesive. By only using a handful amount, you may opt for the old clear epoxy, clear polyurethane or lacquer.

Combine the adhesive with sawdust to create paste in thick consistency, and put in on the hole before the liquid sets.

Filling Large Holes in Wood with Epoxy

Epoxy is the most common material used to patch rather large holes. It can repair different types of wood material such as sills, moldings, baseboard, or trim with damage or holes. Below is tutorial on how to fill large holes in wood using epoxy:

  1. Find some support so the patch can stick, such as Popsicle stick. Attach it on the back of the hole.
  2. Mix the epoxy while waiting for the glue to dry.
  3. Combine filler and hardener according to the direction on the epoxy can.
  4. Apply to the hole once the mix turns into orange color.

For a smoother finish, use sandpaper then paint the patch in similar color as the wood. The epoxy material on how to fill large holes in wood above can be used on wall or furniture.