Skeletons made of steel or wood profiles build lightweight frames, which then lift up the elements that make up the spaces, such as the walls. Contrary to what happens with ceramic or concrete ...

Although steel-frame construction is faster ... in New York includes safety measures such as a 24-inch-thick concrete wall enclosure for its building core, where the elevators, stairs and power ...

Switching from a steel frame with composite floors to a concrete frame with insitu concrete floors ... Ground conditions are good (so the extra weight doesn’t have much effect). The wall cost is ...