Cleaning the Meschia sandstone: or avoiding yet another devastation

There are many types of sandstone.

It can be fine-grained, coarse-grained, compact, sandy, contaminated with other types of rock, and so on...

Meschia sandstone – the "Italian Fontainebleau" – is quite compact and fine-grained. Proper cleaning should be done with a plastic bristle brush. For lichens, if present, a brass brush can be used, but be careful not to scratch or scratch the rock.

Usually if the boulder is very dirty you should observe it for a few days after cleaning, so that the rain, wind and sun complete the cleaning work. To clean the stone from dust or magnesite, all you need is a rag and a toothbrush with plastic or organic bristles, better as they have less impact on the environment.

Climbing after it has rained is dangerous, because the risk of the holds breaking is very high, furthermore it is strongly recommended to clean the holds and tick marks after having fun. These simple precautions to avoid yet another disaster.