Building fires are often hot enough to weaken steel, steel frame must be protected -fireproofing. The steel beam and columns are encased in plasters based on lightweight aggregates reduce weight and increase thermal inslation. Can aslo use spray on materials (cementious). At the base of the column is part of the foundation, at the end of the column will have a dowel and an key to unite the footing with the wall

Masonry bricks are strapped onto these cubes and shipped out. Typically 4 in horizontally and 8 veriticality. Bricks can be solid, cored, hollowed, and frogged -lighter, easier to handle and they are just as structurally sound.