Sin autem in craticiis tectoria erunt facienda, quibus necesse est in arrectariis et transversariis rimas fieri, ideo quod, luto cum linuntur, necessario recipiunt umorem, cum autem arescent, extenuati in tectoriis faciunt rimas, id ut non fiat, haec erit ratio.
But if plastering is required on timber partitions, owing to their uprights and cross-pieces, cracks are bound to appear in it. For when they are coated with clay they must take up moisture; and when dry they shrink and cause cracks in the plaster. Hence the following precautions must be taken.
final_alignments\Vitruvius_Architecture_Book_7.json