This presentation will highlight the major changes and updates to both the installation chapters of the 2019 edition of NFPA 13 as well as the residential criteria as found in the 2019 edition of NFPA 13, NFPA 13R, and NFPA 13D. These changes will significantly affect the layout and installation of sprinkler systems and is a “must-know” for layout technicians, installers, AHJs and others in the industry.