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The visual aspects of a rammed earth wall differ distinctively from any other wall . Rammed earth is compressed, rammed, in a steel frame when it is slightly moist. The horizontal lines which are then to be seen in the surface resemble layers in the earth that normally evolve over many years. The material and its appearance create the idea of an earth-linked structure, built geology.
As a base material a 'rich' type of earth is needed, in which there should be a part stones, a material that could resemble concrete in grading of particles. As few types of earth will lend themselves for ramming as they are found, often sand and stones are added. Just as with clay plaster, it is possible to add colours to the rammed earth. In this way coloured horizontal lines can be created.
When constructing buildings with more than one floor, rammed earth walls of at least 60 cm thick must be built. This thickness can bear enough weight for extra floors. 60 cm allows the labourer to freely move inside the frame, which means working faster. For non bearing walls a thickness of 30 - 40 cm is sufficient. But thinner walls may prove to be less easy to build.
Even though costs have been reduced significantly by way of mechanisation and prefabrication of rammed earth building elements, rammed earth is still a labour, and therefore cost intensive building method. Despite this many people have chosen to build with rammed earth. Not just because of health aspects, but perhaps even more because of the decorative possibilties.
Although this product-description has been put together with utmost precision, Tierrafino will not be liable for any indirect or direct damage that may occur, by using the information offered in this product description.