Hydrosilylation of the perimeter walls of the underlayer is carried out with primer in the paint formulation. Primer application is performed with a layer and checked at critical points using a dry roller to eliminate more primer areas. Attention is drawn to the application of this primer to the details of the discharge pipes and the spaces of the object, and drying is carried out under normal climatic conditions. After the waterproofing and laying of the drainage pipe for the removal of the waters in these areas, the filling of the soil spaces realized.