Structural element mainly used in agricultural and cattle warehouses for maximum light of 26.00 m and a slope of 30 %. Its main feature is the free volume that is showed in its interior due to the fact that it is a slender piece whose geometric form belongs to the roofing itself.

Structural element used mainly in cattle and small agricultural warehouses, 16.00m maximum length and a slope of 25 %. Next to some precast pillars or ones built just there, we achieve a form very similar to the portal frame.

This type of building is exclusive to porcine warehouses, either fattening or breeding purposes due to the cleanliness of its forms and inexistence of corners as pillars are not necessary. All the walls are supported on the foundations of liquid manure pits are fixed together with special hidden iron-works.

A kind of precast used for the enclosure buildings, in agricultural warehouses. It is usual to place the hollow – core slab staged horizontally for its economy and resistance, however, where needed, the isolated slab can also be utilised, either for aesthetic reasons or where a better isolation is necessary.