Close-up of wood-grain laminate flooring planks

How to Repair a Chipped Laminate Plank: Fill and Blend

To repair a chipped laminate plank, clean the damaged spot, fill it with a laminate repair putty or hard wax that matches the base color, then add grain lines with a fine marker and seal the patch. Light scratches can often be hidden with a touch-up pen alone. If the chip is larger than a coin or the core has swollen, replacing the plank gives a better result.

Tools and materials

  • Laminate repair kit with colored hard wax or filler putty
  • Touch-up markers or pens in two or three wood tones
  • Plastic putty knife or the scraper supplied with the kit
  • Melting tool or a soldering-style wax iron, if using hard wax
  • Isopropyl alcohol and a lint-free cloth
  • Painter’s tape
  • Clear laminate sealer or floor finish in the same sheen, if the kit calls for it
DamageFixTimeTypical cost
Fine surface scratchTouch-up pen or wax pencil10 minutesUnder $15
Small chip or dentRepair putty or hard wax30 to 60 minutes$15 to $40
Large chip, swollen core, broken jointReplace the plank1 to 3 hoursCost of a plank plus tools

Step 1: Assess the damage

Run a fingernail across the area. If the nail does not catch, the scratch is only in the top wear layer and a pen or wax pencil will usually hide it. If the nail catches, the wear layer and print layer are broken and the chip needs filling. Press around the area as well; a soft or raised edge points to moisture in the fiberboard core, which filler will not fix.

Step 2: Clean and mask the area

Wipe the chip with isopropyl alcohol to remove wax, cleaner residue and dirt, and let it dry. Trim loose fragments of the surface layer with a sharp blade so the edges are firm. Mask around the chip with painter’s tape to keep filler off the undamaged surface.

Step 3: Match and mix the filler color

Pick the lightest background color in the plank, not the dark grain lines. Most kits allow two colors of putty or wax to be blended. Test the mix on a spare piece or a hidden plank in a closet, and let it set, because many fillers darken slightly as they cure.

Step 4: Fill the chip

Using repair putty

Press the putty into the chip with the plastic knife, overfilling slightly. Draw the knife across the surface at a low angle to level it. Remove the tape before the putty skins over, then smooth the edges with a damp finger or cloth.

Using hard wax

Melt the wax with the heated tool and let it drip into the chip in thin layers. When it cools, shave it flush with the scraper held flat. Hard wax is more durable than soft putty in walkways and kitchens.

Step 5: Add grain and seal

Use a fine touch-up marker to continue the grain lines across the patch, following the lines in the surrounding plank. Feather the strokes with a dry cloth so they do not look painted on. Seal with a thin coat of the finish supplied with the kit, matched to the sheen of the floor.

Common mistakes

  • Matching the filler to the darkest grain, which leaves a dark spot.
  • Using wood filler meant for raw timber. It shrinks and does not bond well to the melamine surface.
  • Leaving a raised patch that catches dirt and wears quickly.
  • Trying to fill a swollen seam. Water-damaged laminate needs replacement.

When to replace the plank instead

Replace the board if the chip crosses a joint, the locking edge is broken, or the patch would sit in a prominent area such as a doorway. For discontinued TrafficMaster floors such as TrafficMaster Original Classic Oak, a plank from a closet is often the best source. The guide to finding a replacement plank for discontinued laminate explains how to identify the product first.

Frequently asked questions

Can you fix a scratch in laminate flooring without a kit?

Fine scratches can be hidden with a wax crayon or furniture touch-up marker in a matching color, buffed with a soft cloth. Deeper scratches need filler to look even.

How long does a laminate chip repair last?

A properly filled and sealed repair in a low-traffic area can last years. In heavy walkways the patch may need touching up as the surface wears.

Will a repair void my laminate warranty?

Warranty terms vary by manufacturer. Many exclude damage from impacts and scratches anyway, so check the warranty document before making a claim.

Photo: Brett Jordan, CC BY (CC BY 2.0 license), via Openverse.

More how-to guides: See all of our discontinued flooring how-to guides.

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