The houses of the Campidano are mostly built of sun-dried unbaked bricks.
They are built of "sun-dried blocks of mud and gravel, about 22 in.
It consists for the most part of mud huts, but there are some houses built of sun-dried bricks.
These are sun-dried, packed in bales, and distributed throughout the sierra region, where coca is used by the natives as a stimulant.
The materials on the coast were clay and gravel wrought into concrete, sun-dried bricks and pise, or rammed work, cut stalks of plants formed with clay a kind of staff, and lintels were made by burying stems of cana brava (Gynerium saccharoides) in blocks of pise.
