In order to make the basement rooms of our over 100-year-old city villa usable, I first have to dry them out. The house is partially built into the slope. On the east side the basement floor is at ground level and on the west side about 200 cm below ground level. I have already used various methods for draining. I am currently creating a new watertight horizontal barrier in the masonry using chemical agents such as injection liquid, injection sticks and injection cream. I have already drained the eastern part of the cellar. Now it is the turn of the western part of the building. This time I let my…