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| The being laid bottom for interior has as most important feature the
perfect planarity. The cotto tiles must be put down with care on the
untilled rocky land by hidraulic lime or by grounting lime at pozzuolana
setting, and in the case that the thicknesses don’t allow these two
thecniques, it’s necessary to use a proper glue. In the case of external
flooring, the floor foundation needs of greater care: it must have a good
draining (fig. 16/17) to avoid stores of dampness and a gradient of
1% or more then it. When the out is bread, the flooring is finished and it’s necessary to take away the grout more them enough, before that it’s dried and it’s necessary to wash with water and acid. It’s advisable to expect, at the externat, the expansion joints every 4/5 metres of cotto. Pratigliolmi refuses all responsibilities for the external floorings which are treated with waterproofers, repellents, or others. You can find futher details about washing and about maintenance of cotto flooring in this publication at chapter “Treating Cotto”. |
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