DIY Guide, How To fix your cracked wood cutting board.

Wood is an integral part of any good kitchen’s equipment, and such a kitchen is incomplete without a wood cutting board.

 Over time, the wooden cutting board starts to develop cracks when it is being used. This makes it hard to clean bacteria which may get trapped in cracks at the same time.

Luckily in terms of cracking wood chopping bords one does not have to visit a shop and purchase anything.

The following is an extremely comprehensive set of instructions for repairing the cuts from the previous cuts as if they were fresh.

This includes picking a crack, gathering materials, ready the board, using the wood glue, clamping, sanding/finishing, adding reinforcement when necessary, and then a few maintenance tricks.

You will only need some DIY skills plus essential materials to restore the cutting board for additional years of use in meal preparation.

Identifying the Crack:

Before repairing a cracked cutting board, take a close look at the damage to assess the specifics of the crack.

Size and Depth:

Examine along the length of the crack to note its overall size and depth within the wood grain.

Shallow surface cracks will be easier to patch than deep cracks that penetrate through thicker cutting boards. Carefully running your finger over the crack can help estimate depth.


Also pay attention to the direction and straightness of the crack through the board. A jagged, branching crack is more difficult to clamp together than a straight crack line. Zig-zag cracks may also need extra reinforcement like dowels.


Check if any food debris or dirt has collected inside the cracked space. Proper cleaning is imperative prior to repair, so inspect thoroughly before moving onto the next preparation step.

Gathering Materials:

Repairing a wood cutting board crack requires just a few simple materials readily available at hardware and home improvement stores.

Wood Glue:

The key supply for cutting board crack repair is water-resistant wood glue. Look for wood glue formulated specifically for tight bonding and filling gaps in natural wood products.


Clamps evenly apply pressure along the crack as the wood glue sets. Mini bar clamps or spring clamps work well for most cutting boards. Ensure the clamps fully span the length of the crack.


After clamping, use 220 to 320 grit sandpaper to smooth excess dried glue and level the surface.

Clean Rags:

Have clean cotton rags or paper towels available to wipe excess wood glue squeeze-out before drying. Neutral mineral spirits can also help remove stubborn dried glue residue.

Dowels (Optional

For deep cracks or pieces that keep shifting when clamped, drill holes and insert wooden dowels across the crack to reinforce the bond.

Preparing the Cutting Board:

With your supplies gathered, now prepare the cracked cutting board for repair.


Use hot water and mild dish soap to thoroughly clean the board and crack. Remove any debris, food scraps, or oils from the damaged area

Dry the board thoroughly, and then apply wood glue.

Glue Application:

Using a popsicle stick or glued spreader, apply a very thin coating of wood glue along the entire length of the crack and on both sides.

Glue should be used to fill up any big holes or voids completely. Ensure maximum bonding strength by distributing the glue as equally as possible.


Apply glue on the parts, and then carefully realign them, making sure that the crack is properly aligned as well.

Alignment on warped boards needs dowels threaded into holes that span the crack for reinforcement.

As the glue sets in, the board is finally prepared and can be clamped.

Clamping the Board:

Clamping the wood glue correctly will ensure that the cut up boards hold securely together. Use these techniques for best results:


Make use of position bars or the spring clamps equally spread approximately 3″ wide over the crack’s entire length. Gently close the clamps on both ends, making certain that the pieces draw nicely into each other.

Glue Squeeze-Out:

Check for thin glue squeeze-out along the crack once clamped. Too much excess glue can prevent bonding. Wipe away any thick glue before drying with a damp rag.

Drying Time:

Keep the cutting board securely clamped as the wood glue fully cures. Most wood glues take 24 hours to fully harden and bond. Resist the temptation to remove the clamps too soon.

Reinforcing Dowels:

If using dowels for alignment, allow extra drying time for the glue around dowels to bond firmly before removing clamps.

 Dowels provide structural strength across the crack.

Check on clamping pressure periodically as the glue dries. Avoid shifting or disturbing the aligned crack.

Sanding and Finishing:

With the wood glue cured after clamp removal, sanding refines the surface and evens inconsistencies along the crack line.

Glue Residue:

Use 220 grit sandpaper to gently smooth any dried glue residue or uneven glue squeeze-out. Take care not to scrub so aggressively that you undo the wood glue bonds.

Transition Areas:

Blend and feather out the transition between the crack repair and surrounding cutting board surface. Erase visible seam lines for a flush, uniform appearance.

Surface Finish:

Higher 320 to 400 grit sandpaper puts a smooth finish on the sanded patch area. Match and blend the sanded region appearance with the original board finish.

Now the board looks renewed with the crack seamlessly integrated into the whole surface. Apply sealant if desired.

Reinforcing with Dowels:

For deep cracks that warp or separate despite clamping, installing wooden dowels across the crack adds structural reinforcement once glued into drilled holes.

Dowel Drilling:

Use a drill with a bit sized for your dowel diameter. Drill straight dowel holes spaced several inches apart spanning across the crack to bond both sides.

Glue Dowels:

Apply wood glue into the drilled dowel holes in the board. Then insert dowels cut slightly longer than the cutting board’s thickness.

Allow to Dry:

Give the glue in and around the dowels at least 24 hours to fully harden before removing any clamps or sanding flush. The embedded dowels will strengthen the crack repair bonds.

Final Touches:

With the crack securely filled and board sanded smooth, just a few final touches maintain safety and appearance.

Sealant (Optional)

Apply food-grade mineral oil or beeswax conditioner to protect the wood surface and keep moisture out of any hairline crack remnants. Allow to fully soak in before using.

Inspect Bonding:

Double check your handiwork by running fingers over the length of the crack to confirm complete seamless bonding before returning the board to kitchen use.

Ease Back In:

When first putting your renewed cutting board back into rotation, avoid overloading it with heavy ingredients to test structural integrity under force before imposing full loads.

Maintenance Tips:

Keep your revitalized cutting board crack-free with these maintenance care tips:


Always handwash wood cutting boards with mild soap and warm water. Avoid soaking, harsh detergents, and the dishwasher to prevent future moisture damage.

Oil Periodically:

Every few weeks, rub food-grade mineral oil into both wood cutting board sides to nourish and protect the wood from new cracks forming.

Rotate Use:

Rotate wood cutting boards with a few different ones to spread out wear and tear on any single board with prolonged use. Cracks develop through overuse fatigue.

Store Flat:

Store wood cutting boards flat rather than upright on-edge to prevent future warping or bowing cracks across the grain. Keep in a dry area.

Proper care keeps your cutting board like new for the long run after a successful crack repair!


Does super glue work to repair cutting board cracks?

No, super glue and epoxies do not work well. The crack bond won’t withstand cutting forces. Use only wood glue to allow flexible bonding within the wood for durable repairs.

Can I clamp a cutting board crack repair with duct tape?

No, only clamps apply adequate deep pressure to bond cracks properly. Duct tape sits on the surface but doesn’t force the wood together along the entire crack depth.

Is a crack still safe after patching?

Yes, gluing cracks seamlessly refurbishes cutting boards to be as sanitary and structurally sound as a new one. The key is firmly bonding the crack gap with wood glue and dowels when necessary for strength.

Can cutting board cracks be prevented?

Avoiding cracks involves protecting cutting boards from excess moisture, warping, impacts, and overloading during use which cause structural fatigue over time. Oiling frequently enhances water resistance. Rotate with different boards.

What’s the best wood type for crack resistance?

End-grain hardwood boards from maple or walnut resist cracking longer than soft woods. The end-grain construction handles knife stresses better than straight grained boards. Thicker boards also last longer through wear and tear usage over time.


Repairing common cracks that develop in wood cutting boards restores functionality quickly with basic tools and wood glue. After the crack is firmly bonded, minor sanding and oiling returns the surface to a smooth, protected state.

 Follow clamping pressure best practices while the glue sets thoroughly to achieve durable repairs that stand up over time. Reinforce questionable bonds with embedded dowels when needed.

With this complete guide’s step-by-step process, you can now confidently tackle cutting board crack patching for long-lasting repairs. Soon that favorite charcuterie serving board will be restored to share appetizers again!

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