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Fender benders


  1. Smooth down irregularities with P100 - P240 and fill with Auto-K Universal Filler (Part. No.: 745 137).
  2. After full hardening with P100 – 240, sand smooth with dry sandpaper.
  3. Fill pores with Auto-K Combination Filler (Part. No.: 745 507).
  4. Fine sand with P400 dry sandpaper. Subsequently clean and mask.
  5. Thinly apply 2K Acrylic filler, then 3 spray coats with forced interim drying.
  6. After full hardening sand with P800 wet sandpaper first and then sand smooth with P1200.
  7. Roughen inner edge zone with grey ultra-fine abrasive pad, outer edge zone with sponge and Schleiffix.
  8. Dry and clean area.
  9. Apply a thin spray of 1K water-borne paint to a pre-warmed area (25-30°C) and continue with the normal painting process.
  10. When using barely opaque colour tones, after a corresponding flash off time (matt) it might be necessary to apply additional paint processes.
  11. Important: after each painting coats, completely flash off the paint.
  12. Paint 2K Rapid Clear Coat in 2 complete paint coats with interim flash off time.
  13. Paint blender thinner/clear coat in light painting steps in all transition zones.
  14. If necessary, polish the transition zones after full hardening.


  • SprayMax 2K High-build Filler (Part. No.: 680 030) uniformly equalises irregularities.
  • When used with SprayMax 2K Rapid Clear Coat (Part. No.: 680 063), you get the best finish qualities.
  • About 50% process cost savings.
  • Perfect painting results, just like with a spray gun.


  • Matt stripping the painted areas can be accelerated by blowing with a hair dryer.
  • Drying time at least 5 minutes.

Auto K - universal filler putty (500g)

Auto K - universal filler putty (500g)

8,95 € *
17,90 € per 1 kg
Auto K - universal filler putty (250g)

Auto K - universal filler putty (250g)

5,49 € *
2,20 € per 100 g
Auto K - combination filler putty (200g)

Auto K - combination filler putty (200g)

4,99 € *
2,50 € per 100 g
Required Products

Repair step




Silicone Remover

ca. 5-10ml¹


Universal filler
Combination filler

max. 5mm
max. 1mm


2K Acrylic filler

weniger als  60µm


Aqua Silicone Remover

ca. 5 - 10ml¹


1K FillClean water borne paint

ca. 25-30µm

Clear coat:

2K Rapid clear coat

ca. 30-35µm


Blender Clear oder
Blender Thinner

ca. 5µm
ca. 5µm

¹ Varies depending on area and degree of soiling.