Secondly, a cement solution.

Secondly, a cement solution. This is the most reliable method of filling the seams. To avoid significant changes, it is necessary to stick adhesive tape from the inside of the structure, to isolate the water present in the cement solution. Voids are filled completely, a depth of one and a half centimeter. But first, it is necessary to primed the surface, the walls are cleaned of whitewashing and paint. The seams can be thrown and glued with a sickle, and only then install the platbands.