Damaged or missing external seals are the most common reason for water leaking through the basement wall or floor. To get both dry again, the only thing that remains is a subsequent seal from the inside, the entire surface with a sealing slurry or liquid sealant: is made. Come water through the floor, Is the concrete cracked?. It is now partially sealed.
1 Vor dem Auftrag der Dichtschlämme streichen Sie die Fläche mit einem Haftgrund vor. The wall itself needs to be slightly pre-wetted, but must not be too wet. Apply the primer generously with the swab. Be sure to wear gloves when working.
2 Die Schlämme selbst können Sie in ihrer Konsistenz so einstellen, that it can also be brushed off with the tassel. However, application with a trowel is also possible. In both cases, use at least two layers. After that you can plaster or paint the walls.
3 Risse in der Bodenplatte müssen zunächst mit Hammer und Meißel großzügig über die ganze Länge freigestemmt werden, to increase the contact surface of the subsequent sealant.
4 Dringt Wasser permanent durch einen Riss in den Keller, you need this flow with an instant cement-plastic mixture ("water stop") stop. Then you can close the crack with rubber mortar and smooth it out.