Et primum conclavibus, quae plano pede fuerint, in imo pavimento alte circiter pedibus tribus pro harenato testa trullissetur et dirigatur, uti eae partes tectoriorum ab umore ne vitientur.
And first as to rooms on the level ground. To the height of about three feet from the pavement, rough-cast made of powdered earthenware instead of sand, is to be laid on, so that this part of the plaster may not suffer from damp.
final_alignments\Vitruvius_Architecture_Book_7.json