Well, due to the weather conditions and the air pollution in our rainwater, the facades have been affected with dirt over the years. All rainwater that falls on the facades is immediately absorbed by the stone itself. This of course evaporates, but the dirt remains on the facade. And don't forget all the soot from the traffic driving through the streets.
Dirty facades can of course be cleaned again using the Torbo Soft Blast System. This is Norwegian mineral olivine mixed with water and will be sprayed onto the facade under low pressure. The stone itself has a sand layer, this will be sprayed off and the stone will look like it originally did. Usually orange - red or just orange and red, or even a combination of yellow.
End of the story, a facade as a facade should look.
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