It should be borne in mind that there is no universal remedy for the fight against mold. It is required to select the drug depending on the type of fungus of the hitting wall of your house. There are blue fungi, mold fungi, rotting fungi, etc.D. At the initial stage of mold formation, hydrogen peroxide will help, in the neglected case, you can try creosot or solution of copper sulfate with acetic acid. But the best way will be to use a special drug. Process only cleaned and dried surfaces.