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Koralan® Holzentgrauer (Grey Wood Renovator)

Cleaning concentrate, dilutable with water


For heavily greyed or weathered wood. Deeply penetrating cleaning concentrate based on oxalic acid.

To refresh and prime weathered, greyed wood outdoors, e. g. for decking and greyed garden furniture. The natural color becomes visible again.

Apply with a scrubbing brush or scrubber and leave it to soak in for about 10 minutes. Then rinse it with plenty of water.


  • Colourless
  • Easy to apply
  • Low-odour
  • Water-soluble
  • Also removes iron stains, etc. on wood

  • Water-based
  • Easy to apply
  • Application quantity:
    approx. 50 – 150 ml /m2 depending on the dilution and the extent of soiling
  • Container sizes:
    1 l | 2.5 l
  • Download
    Technical data sheet

Suitable with:

Koralan® Wood Oil
Koralan® Wood Oil Special
Koralan® Wood Cleaner
Koralan® Grey Wood Renovator
Product film: Koralan® Grey Wood Renovator
Product film: Koralan® Wood Oil
Product film: Koralan® Wood Oil Special
Product film: Koralan® Wood Cleaner
Product film: Koralan® End Grain Wood Protection
Product film: Koralan® Wood in the Garden