Buildings made with the floor 80 cm from the natural ground, creating space for laying the sanitary network with access for repairs, changes or expansion. Sheet metal roof covering, external and internal walls, ceilings and doors made of pre-painted sheet sandwich panels with PIR polyisocyanurate core, efficient as thermal and sound insulator. Concrete floors on lost formwork, with quartz finish or installation of vinyl floors. Electrical installation, with laying on the ceiling, in differentiated trays for voltage and data lines. Thermo mechanical installation with air conditioning equipment. Aluminum carpentry. Cistern tanks and elevated tanks for water supply. The works are carried out turnkey.