Unlimited recycling - also with completely harmless materials: the dream of every person with an ecological understanding and a clever resource awareness. Clay makes it possible! Because clay only hardens through physical drying, instead of chemically setting (like lime), it can be reprocessed over and over again. Quite simple and logical: It does not matter whether the clay, processed into plaster and applied, deliberately hardens or whether this happens accidentally by placing a Big Bag of clay in the barn, forgetting it there and then recovering it completely dried out. Both can be mixed again and again with water to form a mousse and used as mortar or plaster. The only requirement is that the clay is not unintentionally contaminated or has an aggregate that is no longer dewy. This is particularly important with organic lightweight aggregates: a dry straw clay can be reused, just like the pure version. However, if the vegetable aggregate is fermented or moldy, it is unfortunately not possible to use it again. In the case of recycled light clay, it is even more important to ensure that it is properly dried.

In the past, houses were built from the building materials found on site. Clay is a building material used worldwide and it looks a little different everywhere and therefore typical of the region. So in order to give the clay plaster or Rammed earth floors of historical buildings the right - i.e. original - color, it is customary in monument protection and renovation to reuse the historical clay.

Leichtlehm