Pre-stressed reinforced concrete mounting lattice supports are horizontal supporting elements that are used to carry roof and floor structures. The lattice truss can be adhesive or posterity overstretched. It is made in smooth steel formwork. With its carrying capacity you can bump into large ranges. Due to its appearance, it is also convenient for installing and passing installations, equipment, ventilation ducts, etc. It relies on the mounting pillars and the connection with the pillar is achieved by removing the anchors that are pivoted with the reinforcement of the pillar from the element, and the additional armature joint and at the end of the assembly, the joint is monolithized. Dimensions are adopted according to the static calculation.