An other very familiar and very modern method of the roof cleaning is the application of a special cleaning agent which removes the contaminations on microbiological way. With a such special cleaning agent it concerns germs which attack the mosses, lichens and fungi on the roof very actually without damaging, besides, of the roof coating or even to the roof tiles. This kind of the roof cleaning shows a very ecologically friendly method.

All the same for which kind of the roof cleaning one decides at last, it should be carried out anyway on time, because strong contaminations not only to the roof damage, but also the purse. The repair of a roof is considerably more expensive and costlier, than a roof cleaning.