How to Repair Broken Trim on Furniture

When the trim or detail are either missing, broken off or damaged on old pieces of furniture, don’t pass them up or throw them out! I’m going to show you how to easily fix that broken trim work on vintage, antique furniture or thrifted furniture.

Get more of my favorite Tips for Repairing Old Furniture here!

photos of broken trims before repair

Fixing the wood trim on old pieces of furniture is easier than you may expect! And I’m sure you have most of these tools in your own home already!

Find the Twin of the Broken Piece

First you need to find a matching piece of trim. Most pieces of furniture have at least two pieces of matching trim. One on either side of the piece of furniture. So look to the opposite side of the furniture and see if that same detailed wood is still intact on the other side.

antique dresser with broken details
Notice on this dresser, there is a star on the bottom left, but not on the bottom right. The detail on the bottom center is also halfway broken. This is such a good candidate for this trick because we can use the one star and the other half of the detail on the bottom center to make new details.

Basically the goal is to use the twin of the broken trim to make a new piece that looks exactly like the broken one.

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You can also use this method to recreate broken feet, corners, detailed grooves, etc.

You can even take a detail from a different piece of furniture and put it on a completely different piece of furniture. Once you have the mold, the sky is the limit.

Supplies for repairing broken trim

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Supplies to Fix Trim and Details on Old Furniture:

Putting hot glue on dresser to make a mold
  1. Grease the area or trim piece that you are duplicating. I’ve used Vaseline or Pam cooking spray. The goal is to grease that area so you can get the glue off. If you skip this step, you might have a hard time removing the glue. This will make it easy to get the hot glue off of the trim work.
  2. With a hot glue gun, completely cover the trim / detail with hot glue. The hot glue needs to get into the details, and completely cover the area you want to duplicate.
  3. Let the glue cool completely and dry. This will create a mold of the detail.
  4. Carefully take off the glue mold.
  5. Now you can use the mold to create more trim, or to fix areas of damaged trim.
  6. Be sure to grease the mold before putting any type of product in it.
  7. Once the new trim piece is created out of Bondo, use a utility knife to shave off the excess bondo before it dries hard. Then sand the edges and details to form the trim better.

We choose to use Bondo because of how strong it dries. This stuff dries super hard and is very strong. If you’re only wanting to create some pretty details, I’m sure you could use a clay of some sort instead.

Here is a video that shows the same process!

How to Make Details and Trim with Hot Glue Molds

The Damaged Dresser Frame

On this dresser, a small amount of trim was chipped off of the structural frame below the drawer.

broken trim on dresser
  • Make a mold of the same trim
  • Use a sharp utility knife to cut a straight edge on the mold (so it can sit right next to the edge of the leg)
  • Smother bondo onto the damaged trim
  • Placed the greased mold over the bondo
  • Press the mold into place until the bondo starts to harden.
hot glue mold over bondo
shaping bondo before completely dry

**Don’t let the bondo sit too long or it will get too hard to shape

  • Use the utility knife to shave off excess bondo
  • Let the Bondo dry completely
  • Sand the Bondo and surrounding areas down until completely smooth
Sanding bondo mold smooth
Fixed repair on painted dresser

This method works with so many different variations too!!

Once the bondo is dry and shaped, it’s ready for paint!

Note: If there isn’t another piece of trim that matches what you’re wanting to fix, there are a couple of things you can do. Either take off the trim completely to make a cohesive look, or find another piece of detail on the furniture that you like, and use that as a guide.

Missing Trim on an End Table

broken trim detail on table
hot glue on detail to make a mold

On this table, part of the detail was chipped off. So we made a mold on the other side of the table leg, put an excessive amount of bondo over the broken area, then squished the mold onto the table.

putting bondo on damaged table
using hot glue mold to mold bondo

We held the mold until it was firm, but not completely hard (about 4 minutes).

Then we used a sharp utility blade to cut off the excess bondo and form the bondo even more into the shape we wanted.

It’s best to do this quickly, and once the bondo is just barely set. If you wait too long the bondo will be too hard to cut. At that point sanding is the only option, and that’s a pain!

After the bondo was shaped, we let it dry completely, and then sanded off the thin remains and shaped it a little better with 220 grit sandpaper.

shaping bondo with knife before dry
bondo shaped to repair broken trim
Painted end tables with fixed damage

Missing Wood Veneer

damaged trim on dresser

On another dresser, the bottom detail had broken off. For this one, we basically reversed the mold method, and used the mold to create a dam where the bondo couldn’t go.

First we created a mold of the carved out detail. I made sure the glue didn’t run out of the carved detail, but only filled in the carving.

Bondo on damaged trim
Bondo shaped into curved shape

Once it was dry, I removed the glue, greased it, and placed it in the carving right above the missing wood.

Then I slathered the bondo over the area with the missing wood.

This time I removed the glue mold before the Bondo started to set up. This was a little tricky to do without messing up the Bondo.

Then I let the Bondo set up for a few minutes before I started to shape it with the utility knife.

Once the Bondo was completely dry, I was able to sand it down to the perfect shape with 220 grit sandpaper.

Repaired Trim on bottom of dresser
repaired and painted french provincial dresser

There are so many ways you can use this same method to create new detail, fix old details or let your imagination run wild.

You can use the same methods to recreate a broken corner, recreate a broken leg, make new details, the list goes on and on.

But the next time you see an old piece of furniture, you’ll know how to fix it instead of passing it up.

Now don’t make these five biggest furniture painting mistakes!

<3 Natalie

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  1. Terry Wilcox says:

    I just bought a small table, with a piece of trim missing. I will see if this works. I’ll take before and after photos.

  2. I have a very ornate desk that is missing a section under the drawers on one side. How can a mould be done for a part that is the mirror image of that part?

  3. Derek McDoogle says:

    I like how you said that most pieces of furniture have at least two pieces of matching trim. My mom told me that she would like to find a way to repair her old table because it has been in the family for centuries.

    1. Goodluck with the repairs!

  4. Howdy! I could have sworn I’ve been to this blog
    before but after browsing through some of the post I realized it’s new
    to me. Anyhow, I’m definitely happy I found it and I’ll be book-marking and checking
    back frequently!

    1. Thank you so much for the kind words! I appreciate it!

  5. Would you use bondo on big surface thats on the front of a piece? Will the paint still show a difference in finish?

    1. Hey Amber!
      It’s best to apply some type of primer over the Bondo, as well as the rest of the piece to create an even paint finish. I personally love to use this (affiliate link) shellac. If it isn’t super smooth with the wood that surrounds the Bondo, you will see an outline of where the Bondo is. So just make sure it is super smooth with the surface. Also, if your wood has a lot of grain to it, you can mimic the wood grain in the bondo by making little marks with a utility knife in the bondo. Hope that helps!

  6. Tina Sees says:

    Hello Natalie, came across your post while searching how to repair trim. Loved you post, but I’m not understanding the “reverse mold” method. Would you be able to give me more detail please?

    1. Hey Tina!
      Instead of filling in the hot glue mold with bondo, I used the hot glue mold to keep the bondo away from the area. So it’s just opposite of what I had been talking about.

  7. What paint color did you use on the buffet piece?

    1. Hey Bonnie! I used homemade chalk paint with regular black latex paint.

  8. Alicia Hursley says:

    I can’t wait to try this out on an old desk I found! Ever since we’ve transitioned to a work from home set up, I’ve been trying to put together my dream office. I got the walls painted, wood floors resurfaced, and found good pieces of used furniture to try and be a little more green. I’m super excited to see how well your project works for me.

  9. What if need to stain the repaired piece? You can’t stain bondo can you?

  10. I have a table that is missing a piece. It is made out of that fake concrete looking stuff. The stuff they make garden figurines out off. Do you think bondo would work on it

    1. I don’t see why not.

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