Home Construction in the U.S. can vary widely depending on the construction practices and building codes during the time it was built, as well as the structure type (Residential or commercial) Wall surfaces and types: Plaster and lath, plaster and wire mesh, plaster and steel lath, plaster on wafer board, plaster over wood planks, drywall on wood studs, drywall on metal studs, double layer drywall, drywall on hat track on concrete or brick, drywall directly on concrete or br