by Jeffrey C Kadlowec, Registered Architect There is a predominate number of traditional masonry building throughout the Greater Las Vegas Valley. These are defined by the 2018 International Building Code (IBC) [1] in Chapter 6 as Type III construction. Although [2] analyzes these types of structures in Iran where most of these older structures are unreinforced, the ones built in Southern Nevada are typically reinforced and fully grouted. All of these building however exhibit similar material choices and design elements—the walls are masonry, either stone, brick or concrete block supporting wood framed roofs. As with every structure, they react to.