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MauertrockenlegungMoist walls are considered the biggest enemy of buildings. At the same time, they are also the biggest problem for the preservation of buildings, because the remedial measures to be taken are extensive and labor-intensive and usually involve very high costs.
The causes of damp walls are versatile. It may be ascending water from the ground, it may be condensation because in the rooms a high humidity, but it may also be the "hygroscopic" humidity in professional circles, which is caused by a high salt concentration.
Furthermore, damp walls can also be due to penetrating water and faulty pipes. But no matter what the cause, it is possible to achieve a consistently good result by drying the walls and drying the walls again.
However, it is important to note that it is not only necessary to dry the wall by means of different measures, but also to find the cause of the moisture and to remedy it.
Methods for wall drainage
In general, it is advisable to have the wall drainage performed by a specialist. While this is a much higher cost, this is a very worthwhile investment. For most DIY enthusiasts, it is not easy to find out which factors are responsible for the moisture in the brickwork.
Furthermore, it is not always easy to
know with which materials and methods the masonry can best be drained.
A very effective method for wall drainage is the injection procedure. Here are drilled at certain intervals several holes with a diameter of eight to ten centimeters in the wall in question. These holes are then filled with a special injection fluid, creating a barrier that virtually eliminates moisture.
Another promising measure is the so-called Mäersägeverfahren or steel sheet method. In Mäestsägeverfahren is the bottom wall joint
sawed. In the joint then a moisture barrier is installed, which may for example consist of stainless steel. This method takes a lot of time and is very labor intensive.
This is associated with very high costs. Somewhat easier to implement is the steel sheet process. Here, steel sheets are hammered into the wall above the base plate. This also prevents moisture penetration. The disadvantage here, however, that it can cause cracks in the masonry, which adversely affect the stability and statics.
In addition to these methods, there are also special dehumidifiers, with which masonry can be dehumidified. They work like a big vacuum cleaner, except that they just remove moisture from the room air. But this dehumidifier offers only in addition to the above-mentioned structural measures a way to remove moisture from the masonry.
Wall drainage, not only required for old buildings
Most moisture occurs in old buildings, since the horizontal barrier is completely missing or defective. The horizontal barrier, however, prevents moisture from rising capillary in masonry. Nevertheless, this is not just a problem that shows up in old buildings. There are also many new houses that have been built sloppily and also suffer from invading moisture.
Here, too, a wall drainage is required in any case, because a damp masonry not only damages the building fabric in the long term, but due to the mold growth especially the health of the inhabitants. Even with a new building is true that only the causes have to be found and corrected before the actual wall drainage takes place.
What is decisive in the search for causes is that it is carried out by an independent expert. In most cases, a sloppy construction can be detected, which is clearly a tree lack. Thus, the builder can claim compensation claims against the construction company. Moisture can not just be over the cellar
enter the masonry, but also on the roof. That should be taken into account in any case.