Professional wood repair

Knots and cracks. Gone for good.

Knot Filler melts into the damage, hardens in seconds, and takes any finish. The system flooring pros and carpenters already trust. Now shipping in the US.

Shop Wood RepairHow it works

Flexible · Water-repellent · Non-toxic · Takes any finish

Oak board after Wood Repair: the open knot filled with color-matched filler, sanded flush and nearly invisible
Oak board before repair, with a raw chipped-out knot and a deep open gap in the grain
Before After
4.3 / 5 580+ verified Amazon ratings — Wood Repair Knot Filler range, Europe 2026
  • ★★★★★

    Simply excellent quality. Always happy to order again.

    Uwe B.
  • ★★★★★

    Excellent quality. Highly recommended.

    Fred S.
  • ★★★★★

    Super fast shipping. Very satisfied, definitely ordering again.

    Rudi C.
  • ★★★★★

    Flawless and speedy delivery. Gladly again.

    Nicola L.
  • ★★★★★

    Everything handled smoothly, as always.

    Ulf J.

How it works

From damage to done in five steps.

  1. 1

    Fill

    Melt the filler straight into the crack.

    Wood Repair step 1, Fill: Melt the filler straight into the crack. 1 / 5
  2. 2

    Cool

    Press it flat with the cooling brick. It sets in seconds.

    Wood Repair step 2, Cool: Press it flat with the cooling brick. It sets in seconds. 2 / 5
  3. 3

    Cut

    Shave the excess off flush.

    Wood Repair step 3, Cut: Shave the excess off flush. 3 / 5
  4. 4

    Sand

    Sand it smooth.

    Wood Repair step 4, Sand: Sand it smooth. 4 / 5
  5. 5

    Finish

    Oil, stain or varnish. The repair vanishes.

    Wood Repair step 5, Finish: Oil, stain or varnish. The repair vanishes. 5 / 5

See it in action

Watch Knot Filler at work.

A short look at the full repair — from raw crack to invisible finish.

Real repair

The same fix, photographed up close.

A chipped-out knot in raw oak, filled with a color-matched stick, cut flush and sanded. Nothing touched up on the result. This is the board.

Before Chipped-out knot in a raw oak board before repair
After The same knot filled with color-matched filler, cut flush and sanded

How close the color sits comes down to the wood and the stick you pick. Eight tones cover most jobs.

Match it, or make it a feature

  • Oak match filler matched into a wood knot, sanded flush Oak matchFilled to the grain. Sanded flush, it all but vanishes.
  • Walnut filler matched into a wood knot, sanded flush WalnutA warmer tone that reads as part of the knot.
  • Black filler matched into a wood knot, sanded flush BlackSeal the crack and keep the knot as a feature.

Same filler, different stick. Match the grain and the repair disappears. Pick a darker tone and the knot stays part of the wood. Eight colors in the range.

Why Knot Filler

Built to hold. Made to vanish.

  • Stays flexible

    Moves with the wood instead of cracking out.

    Restored oak parquet floor with a seamless filled repair that flexes with the boards

  • Hardens in seconds

    Minimal downtime, minimal waste on the job.

    Cooling brick pressed onto a fresh Wood Repair fill, setting it hard in seconds

  • Water-repellent & UV-stable

    Rated for indoor and outdoor repairs.

    Repaired wooden terrace decking outdoors, the filled spots holding up to weather and sun

  • Non-toxic

    Solvent-free. Safe for you and the room.

    Repaired wooden window frame indoors, finished with solvent-free non-toxic filler

  • Takes any finish

    Oil, stain or varnish. It disappears.

    Oiled wooden floor where the Wood Repair fill has taken the finish and disappeared into the grain

  • Every wood tone

    A color match for all species and grains.

    Knot in walnut filled with a warm color-matched walnut filler that blends into the grain

Complete kits

Start with everything you need.

Shop all Wood Repair →
Wood Repair PRO Cordless Kit PRO

Wood Repair PRO Cordless Kit

Cordless gun, filler mix and every tool you need. Built for daily pro use.

Cordless gun · Mix bag (8 sticks) · Cooling iron + brick · Cutting tool · Saver

$299.00
Wood Repair Plus+ Kit PLUS+

Wood Repair Plus+ Kit

The WR 180 gun, 16 sticks in 8 colors, and the tools. For installers and serious DIY.

WR 180 gun · 16 sticks / 8 colors · 2x cooling brick · Cutting tool · Saver

$269.00

Cordless freedom

Runs on the batteries you already own.

One adapter and the PRO Cordless gun runs on your 18V packs. DeWalt, Bosch, Makita, Milwaukee. No new batteries, no extra chargers.

Wood Repair WR 540 PRO Cordless gun mounted on an 18V DeWalt battery with the brand adapter
Shown on an 18V DeWalt battery
  • DeWalt 18V
  • Bosch 18V
  • Makita 18V
  • Milwaukee 18V
The gun is a one-time buy. The sticks keep your jobs moving.

Refills · the consumable

Match any grain. Reorder in seconds.

Sticks are the heart of the system. Eight tones, mixed on the iron to match any wood. Keep a few bags on the shelf and the next repair is already handled.

$29.99 / bag · Knot
Also in 150 mm Compact — $24.99 →Subscribe & save — coming soon
Wood Repair Knot Filler - 300 mm (9 sticks) in the Knot shade
8 tonesMix to matchHardens in secondsIndoor + outdoor

For the trade

A pro partner in Virginia and the Carolinas.

We supply Wood Repair to installers, cabinet shops and contractors across Virginia and the Carolinas. Fast US shipping, trade pricing for accounts.

  • Volume pricing
  • Ships from the USA
  • Same-day dispatch
  • Account support
Talk to us about trade pricing
  • VA Virginia →
  • NC North Carolina →
  • SC South Carolina →