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Answer: aerial lime undergoes many transformations, hydraulic lime comes from clay limestone.
Although it is lime for mortar, aerial lime and hydraulic lime are very different from each other. Air lime, which comes from pure limestone, undergoes multiple transformations before being used for various works. It is used mainly in the completion of finishes and the manufacture of mortar. However, avoid applying the paste on damp walls. Conversely, hydraulic lime, which originates from clay limestone, is used to coat strong concrete and certain substrates such as agglomerate concrete. In masonry, hydraulic lime is also preferred for the construction of stone or earth walls. It is nevertheless to be avoided on plaster supports. You too, send us your decoration questionMake a whitewash Our practical DIY videos