NFPA (Fire) 13 ✓ Most Recent

Help ensure safe and effective installation of sprinkler systems with NFPA 13, Standard for the Installation of Sprinkler Systems.

NFPA 13, Standard for the Installation of Sprinkler Systems, provides the latest requirements for automatic sprinkler system design, installation, and testing to ensure that sprinkler systems are reliable and effective in controlling or extinguishing fires and for protecting lives and property.

The 2025 edition includes many technical additions and revisions, including:

• Inclusion of listed vacuum dry pipe systems in Chapter 8
• New provisions in Chapter 7, including allowing vapor phase corrosion inhibitors to be added to the air supply for dry pipe and preaction sprinkler systems as a method to reduce corrosion
• Several revisions for sprinkler placement and allowable omissions throughout the standard
• Revisions to Chapter 4, including dividing miscellaneous and low-piled storage protection requirements into two different sections
• Additions to Chapter 9, including allowing omission of sprinklers in elevator hoistways in most situations
• Revisions to Chapter 18, including updating load tables to incorporate seismic forces from piping and changing seismic coefficient (Cp) values to align with ASCE/SEI 7, Minimum Design Loads and Associated Criteria for Buildings and Other Structures (For locations outside of the United States, Annex E has been modified to allow conformance with ASCE/SEI 7.)