Koch-Chemie × COLOURLOCK COLOURLOCK "Filler" (White) Air-Drying Filler for Elastic Covering of Surface Cracks and Holes 1000ml

COLOURLOCK Filler (White) — white leather filler for precise repairs

What is COLOURLOCK Filler White used for? — The white filler evens out scratches, dents and cracks in light leather and builds a smooth, stable base for colour, structure and sealing.

COLOURLOCK Filler (White) is a high-grade white leather filler for repairs on light pigmented smooth leathers. It handles scratches, cracks, worn spots, edge chipping or deep scuffs, and once it dries it leaves a stable surface you can sand down fine. The white colour means repairs on white or very light leather build up cleanly and colour-neutral — perfect for automotive interiors, furniture, bags, sneakers and accessories.

• Made for light leather – A white leather filler lets you build colour-neutral, invisible repairs.
• Sands fine & stays stable – For smooth, load-bearing, even surfaces.
• Grabs on well – Perfect as a base for colour, binder and top coat.

Filler technology & how it works

Filler (White) is built on an elastic, firm filler formula that bonds deep into the leather and forms a tough repair layer. Once it goes on, the material cures to a solid but flexible structure that sands and works beautifully. That lets you even out dents precisely and model damaged spots cleanly. The white pigment stops dark backgrounds from showing through and makes an even colour coat easy on light materials.

How to apply it & best practices

Before you fill, clean and degrease the leather thoroughly. You lay Filler (White) down thin with a spatula, scalpel, brush or fine applicator tip. On deep damage, build it up in layers, each with a drying and sanding step in between. Once the surface is smooth and level, you match the colour with leather dye or Leather Fresh and finish by sealing with Top Coat. You can also thicken the filler with Thickener if you want more body.

Results, uses & benefits

After the work, the repaired area looks smooth, even and colour-neutral — an ideal base for a perfect finish. Filler (White) works on white car seats, steering wheels, furniture, sneaker leather, boots, bags and light interior parts. It doesn't replace a backing patch on deep cracks, but it's the best base for every visible surface fix on light leather.

Common questions about COLOURLOCK Filler (White)

Why a white filler?

It stops dark spots from showing through and lets you make colour-neutral repairs on light leather.

Can the filler be sanded?

Yes, once it's dry it sands and smooths really well.

Is Filler (White) flexible?

Yes, it stays elastic enough for the way leather naturally moves.

Do I need colour afterwards?

Yes, the filler is the base — then comes leather dye or Leather Fresh.

Is the filler suitable for faux leather?

Yes, it works very well on many types of faux leather.

Last updated: 10.12.2025 — Author: Daniel (Detailing1)