How can I remove moss from exposed aggregate concrete slabs?

How can I remove moss from exposed aggregate concrete slabs?

Salt and vinegar are often mentioned as home remedies for moss. However, since they are environmentally harmful, they should not be used to treat large areas. Scrubbing with hot water is very exhausting if your patio isn't exactly small. You should use another method here.

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Can I just flame the moss?

Flaming is actually a fairly easy way to remove moss from concrete. It is environmentally friendly and does not leave any harmful residues on the treated area. However, it is not entirely harmless, as flaming can easily set fire to other things, such as your own feet or combustible materials nearby.

Can a pressure washer be used to remove moss?

You can also use a high-pressure cleaner (€ 85.90 at Amazon *) to remove moss from patio and pavement slabs. To make stubborn moss easier to detach from the plates, you should spray them off from a small distance, as the pressure is particularly high. On the other hand, you work on sensitive surfaces with a greater distance between the nozzle and the surface, and you can also treat light soiling in this way.

How do I clean the joints?

The joints are best cleaned with a special joint scraper or an old knife. However, you should carry out this cleaning relatively regularly, otherwise not only moss but also grass and other weeds will grow in the joints and may push the exposed aggregate concrete slabs up or apart.

Scraping out is no longer enough to make your terrace or path nice and straight again. You should pick up the slabs, straighten the subfloor, and then relocate the slabs. Regularly scraping out joints is certainly the more pleasant job.

Ways to remove moss:

  • Flame
  • high pressure cleaner
  • Joint scraper

Tips

Never use flame burners near flammable materials, such as wood paneling.