A cistern is a construction deposit that picks up and puts away the water of the rain.
In the Factory of the Sun, the cistern gathers and stores the rain in the terrace of the building. This water is reused in the toilets of the equipment. The cistern has surface of 400 m2.
The floating floor is an artificial stone of the Breinco brand. In the green area the pavement is sunk and there are about 5 cm Burés substrate. In the transitable area, there is an air chamber of about 20 cm, which houses a sheet of water of up to 10 cm.
These constructions contribute to sparing the hydric resources and are a clear example of architecture and sustainable construction.