Due to its organic origin, wood is extremely vulnerable to external influences, one of the most dangerous of which is rotting. Favorable conditions for the emergence and active development of this process are a plus ambient temperature and an increased humidity level. However, there are some pathogens of decay that are not afraid of dryness or cold. In order to maintain a beautiful appearance of the newly built wooden cottage for many years, as well as extend its life, it is necessary to try to eliminate the conditions that cause putrefactive processes. Fighting them is not so difficult, and all thanks to the use of modern protection methods.