Repair guide
How to fix a worm-eaten wooden chair?
After a wood-boring insect infestation is confirmed inactive, a worm-eaten wooden chair can receive both visible restoration and localized structural rebuilding. The Coconix Floor & Furniture Repair Kit uses uniformly kneaded epoxy putty to fill entry holes and deep tunnels, rebuild missing shape and reinforce damaged areas before matched compound and painted grain restore the surface.
Keep the chair out of use and inspect every leg, rail, joint and seat support. Remove loose compromised wood, clean and dry the full void, pack the putty into secure surrounding wood and allow a complete cure before applying load. Do not seal active infestation, fresh frass, moisture, mold or rot inside the chair. Use a furniture restorer for widespread hollowing, collapsed joinery, an extensively weakened member or uncertain load-bearing capacity.

Repair at a glance: worm holes on a wooden chair
- Material
- Finished wood
- Damage
- worm holes
- Item
- wooden chair
Repair cost
How much does it cost to repair worm holes on a wooden chair?
Professional repair estimates by currency
USD
United States dollar
- Smaller repair$100–$200
- More extensive repair$500–$800
EUR
Euro
- Smaller repair€85–€170
- More extensive repair€430–€680
GBP
British pound
- Smaller repair£80–£150
- More extensive repair£400–£700
What does professional repair cost?
What does a DIY repair cost?
$19.95
The kit price shown here is live. One kit can often cover more than one small repair.
See the repair kitWhat changes the repair cost?
- The size, depth and severity of the damage
- The material and whether reinforcement is needed
- The color, grain, texture and finish-matching work
- Local labor rates and whether the item must be transported
Professional prices are indicative ranges from the approved article content and can vary by repairer, location and condition. Request a local quote for an exact comparison.
Difficulty
How difficult is it to repair worm holes on a wooden chair?
Time required
How long does it take to repair worm holes on a wooden chair?
When worm holes on a wooden chair can be repaired at home
When to call a professional for worm holes on a wooden chair
Prepare before you start
Materials needed to repair worm holes on a wooden chair
-
Coconix Floor & Furniture Repair Kits
-
Cleaning Cloth
-
Sanding Paper (optional)
-
Insect Repellent (optional)
Before repairing worm holes on a wooden chair
Watch how to repair worm holes on a wooden chair
The written procedure below covers the repair steps shown in the video.
Detailed procedure
How to repair worm holes on a wooden chair: step by step
-
Step 1
Preparing the Area
- Gently clear away any dirt, dust, or debris from the damaged area of your wooden chair to ensure a clean surface for repair.
- Thoroughly clean the surrounding surface to remove any lingering particles or residue.
- Use a damp cloth to wipe down the area, ensuring it is free of dust or oils, and allow it to air dry completely before proceeding.
-
Step 2
Applying the Wood Putty
- For worm holes larger than 1/4 of an inch or 0.6cm, use the wood filler epoxy putty to fill the worm holes.
- Cut off a small amount of wood putty and knead it until it becomes a uniform color.
- Apply the filler immediately after kneading. Remove any bulge. Press the filler firmly into the holes until curing is noticeable.
-
Step 3
Mixing and Matching the Color
- Refer to the Color Mixing Guide included in your kit to create the perfect shade for your wooden chair.
- Use the empty mixing jar provided in the kit to combine the colors. Thoroughly mix the colors to achieve a smooth, consistent tone before applying to your wooden chair.
-
Step 4
Applying the Repair Compound
- Apply the repair compound evenly to the damaged area of your wooden chair, starting at the edges of the worm holes and gradually working towards the center to prevent air bubbles.
- Use the spatula for repairing larger worm holes and the brush for detailed touch-ups or smaller surface applications.
-
Step 5
Smoothing the Surface
- Carefully smooth out the surface of your wooden chair using gentle, even strokes to ensure a seamless and level finish that blends perfectly with the surrounding area.
- Promptly remove any excess compound with a clean paper towel, ensuring no residue remains on the undamaged areas of your wooden chair.
-
Step 6
Drying and Additional Layers
- Allow the repair compound on your wooden chair to dry thoroughly for several hours, ensuring it is no longer sticky to the touch.
- If necessary, apply additional layers to build up the worm holes until it is even with the surrounding surface of your wooden chair.
- Let each layer dry completely before adding the next for the best results.
-
Step 7
Adding Texture
- If your wooden chair features grain patterns, designs, or textures, use the small brush to replicate them for a natural finish.
- Apply dark colors such as Walnut, Mahogany, or Black to mimic the original grain and seamlessly blend the repaired area with the surrounding surface.
-
Step 8
Finishing Touches
- Inspect the repaired area on your wooden chair only after the epoxy putty and surface compound have fully cured.
- If the original wood finish can safely accept light sanding, use fine-grit sandpaper with gentle, even pressure on the repaired filler until it is level.
- Skip sanding on delicate veneer, thin factory finishes or any surface whose manufacturer advises against it. Level the compound during application instead.
- Stop immediately if the surrounding finish begins to dull, lift or change texture.
Protect the result
How to care for a wooden chair after repairing worm holes
- Keep the repaired item or floor area out of use until the epoxy and surface layers have fully cured.
- Monitor previously worm-damaged wood for renewed holes, fresh frass or other pest activity and contact a pest specialist if any sign returns.
- Keep the wood dry, clean it with a finish-compatible nonabrasive product and address leaks promptly.
- Use furniture or floor protection appropriate to the surface; apply wax or sealant only when the finish manufacturer confirms compatibility.
Aftercare
Troubleshooting
Why does a wooden-furniture repair look too light, dark or flat?
The mix was judged while wet or under different light, the undertone is off, or the repair has one flat color without the darker or lighter grain found nearby.
Compare the fully dry repair with a clean, undamaged nearby area in the furniture's normal light. Adjust one color in a small amount and dry-test again. When the base tone matches, use the approved wood method to add restrained grain detail that follows the surrounding direction, then judge the result at normal viewing distance.
Why does a wooden-furniture repair look raised, sunken or sharply outlined?
Too much filler, insufficient fill in a stable void, shrinkage before full cure, an abrupt color boundary or missing grain detail is catching the light.
Correct only the condition you can confirm. For a stable low spot, return to the matching fill method and build only to the surrounding level. For a visible outline, match the dry base color first, keep the blend boundary small and recreate the nearby grain. Alter a cured raised area only when the approved method and original finish safely permit it.
Request product-specific guidance before sanding or scraping delicate veneer, laminate wear layers or thin factory finishes.
What should I do if wooden-furniture damage returns or a joint keeps moving?
A loose joint, repeated flexing or impact, active moisture, an unsupported deep void, incomplete curing or renewed pest activity is changing the repaired area.
Inspect the complete damaged area while the furniture is used normally. Stabilize a loose joint or moisture source first. When the surrounding wood is sound and stationary, rebuild localized missing material with the kit's epoxy-putty method, allow it to cure, then restore the matched base color and grain. Begin insect-hole repair only after the infestation is confirmed inactive.
Use qualified furniture repair when a load-bearing joint, frame or other structural part remains loose or unsafe after the cause is identified.
Why did the repair color change as it dried?
Wet compound can look different from dry compound. Test thickness, undertone, lighting and surface sheen can also make the same mix appear lighter, darker or flatter.
Keep the remaining mix. Apply a thin test in a discreet area, let it dry fully and compare it in the item’s normal light. Adjust one color in a tiny amount, mix thoroughly and repeat the dry test. If the hue matches but the result looks flat, correct the material detail—grain, pile direction or texture—using the matching guide instead of changing the color again.
Frequently asked questions
What wooden-furniture damage can the Coconix Floor & Furniture Repair Kit repair?
The kit can repair compatible localized scratches, chips, dents, cracks, burns, holes, worn spots, inactive insect holes and deeper voids. The included epoxy putty can rebuild missing material when the surrounding wood and furniture structure are sound and stable.
Can the Floor & Furniture Repair Kit rebuild deep wooden-furniture damage?
Yes. The included epoxy putty can rebuild compatible localized holes, missing material, damaged edges and deep voids when sound material remains around the repair.
How do I match the color and grain of a wooden-furniture repair?
Use a clean, undamaged nearby area to identify the base tone, undertone and grain direction. Build the color gradually, compare a fully dry test in the furniture's normal light, then recreate only the grain detail needed to break up the repair boundary.
Should I judge a repair color while it is wet or dry?
Judge the fully dried test in the lighting where the item is normally used. Wet mixtures and different light sources can make the same color appear misleading.

Customer repair story
Works!
Using Coconix was like furniture CPR! My worm-eaten chair is now the pride of my dining room. I had doubts, but the instructions were foolproof. Who needs expensive restorations? Not me!
Individual repair results vary with the damage, material, preparation and application.
Recommended for this method
Best Coconix kit to repair worm holes on a wooden chair
COCONIX FLOOR & FURNITURE REPAIR KIT - MIX & MATCH ANY COLOR
$19.95
Excellent for Repairing Wooden Tables, Cabinets, Doors, Nightstands and Veneer - Super Easy Instructions to Match any Color and Restore any Material Including Cherry, Walnut, Hardwood
More repair possibilities






