Clay, a fine-grained mass of loam, sand and silt (fine-dust, predominantly mineral sediments), has been deposited in Europe since the beginning of the last Ice Age. Over millions of years, clay soils have been created through erosion and sedimentation with the help of glaciers, sun, water and wind. The time factor must also be taken into account here: clay, sand and silt, crushed by glacier movements, dried by the sun and eroded by the wind in an almost dust-free form or washed away by rivers, sediment somewhere as a wafer-thin layer - in one place where they are not directly blown away or washed away. Water binds them together, new sediment is added. One or the other millennium goes by until a layer of clay of a few meters has formed.

Clay consists for the most part of mineral components, but always of different sands or types of loam. That is also the reason why there is no such thing as “the one” clay and why the types of clay can have such a different appearance. Since the time it was created, clay has been in exactly the same condition - sometimes more, sometimes less moist - in the soil in which we found it during mining and is therefore not perishable. If you order Big Bags for your construction site that you don't all use directly: don't worry, they can be stored outside and wait for their use. Rain, frost and desiccation are processes that happen to the clay in its natural deposits and which do not harm it. And if after some time grass, moss or a thistle has settled in the Big Bag, be glad: this is just a sign that it is a natural product.

                                                        Clay plaster in Big Bag