The purpose of this article it was show a cost comparative between two constructive methods employed in sheds in the city of Sinop-MT. constructed with precast beams of armed concrete and structural system of the roofs varying between metalic trellis and precast concrete beams. For this. it was created a standard project. https://www.diegojavierfares.com/limited-save-1-64-Lowndes-2010-Triple-Eight-Race-Engineering-Suits-Holden-VE-Commodore-64168-special-save/