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Information Reports and Technical News

April 6, 2011 NFPA Updates TIAs Pertaining to Antifreeze in Sprinkler Systems

The National Fire Protection Association‘s (NFPA) Standard Council has issued four updated Tentative Interim Amendments (TIAs) that address the use of antifreeze in fire sprinkler systems. The TIAs provide new requirements in NFPA standards for the use of antifreeze in both new and existing sprinkler systems. NFPA has also issued a new safety alert regarding the use of antifreeze in sprinkler systems. These actions come after extensive research and standards development activities to address concerns raised by the combustibility of antifreeze solutions in sprinkler systems. The previous TIAs and Safety Alert issued by NFPA in August 2010 are no longer in effect.

The entire NFPA Safety Alert and more information can be found at www.nfpa.org/antifreeze.

The four new TIAs apply to:

  • NFPA 13, Standard for the Installation of Sprinkler Systems (2010 edition)
  • NFPA 13R, Standard for the Installation of Sprinkler Systems in Residential Occupancies up to and Including Four Stories in Height (2010 edition)
  • NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes (2010 edition)
  • NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems (2011 edition)