Guardian Services, Inc.
Fire Protection   Research and Development   Consulting   Marine and Industrial



Actual experience with fire extinguishment provides GSI invaluable knowledge which they use as designers, expert witnesses, and advocates for fire safety.

Fire extinguishment by an inert gas


Fire Protection News/Highlights 

December 31, 2013  Cold weather increases the odds of fire during refueling of cars, trucks and other vehicles.  The Petroleum Equipment Institute has a video of such a fire (girl involved does not appear to be hurt) and some safety tips on refueling practices.  To access the PEI website, click here.  



November 15, 2011  One of the most common questions regarding Carbon Dioxide system design using NFPA 12 is the meaning of the NFPA 12 nozzle codes.  GSI's Tom Wysocki has prepared a video lesson to help answer the question in a very practical manner.  AHJs, system designers, fire protection engineers and others who work with CO2 systems may the find the presentation worthwhile.  For more information or to stream the video, please click here.


September 1, 2011

URGENT ANNOUNCEMENT  The U.S. Consumer Product Safety Commission (CPSC), in cooperation with nine manufacturers and distributors, announced a voluntary recall of all pourable gel fuels made or sold by these companies.  "Due to the serious risks of flash fire and burns when consumers add pourable gel to an already burning fire pot, consumers should immediately stop using the pourable gel fuel."  For more information, please click here to go to the announcement on the CPSC website.



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Gelled fuels recalled!!!  Counterfeit sprinklers? , , , etc.



Underwriter's Laboratories On-line Product Certification Database

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What we provide:


Guardian Services is a world leader in special hazards fire protection for Industrial and Marine Fire Hazards.   GSI offers consulting services, fire safety seminars, expert witness services and training courses related to fire and explosion, and fire suppression systems.   GSI specializes in research and development, specification, design, startup, review and investigations related to fire extinguishing systems for special hazards.  GSI is a leader in the development and use of systems containing Halon alternatives such as FM-200, FE-13, FE-25 and Novec.   GSI provides expert direction in development of inert gas systems such as Inergen and Argonite.  GSI likewise has done research and development on water mist systems.  Traditional agents including carbon dioxide, foam and dry chemical complete the arsenal of fire protection systems which GSI has developed in the laboratory, obtained 3rd party approval, and applied in actual field installations.



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GSI personnel take part in NFPA Technical Committee activities to further life and fire safety



Carbon Dioxide ( CO2 ) flow calculation software 

Link to Technical Bulletin Released by Notifier for users of their AFP200 panel

EPA Reports on Carbon Dioxide Fire Extinguishing Systems


GSI celebrates 26th anniversary providing fire protection and expert witness services




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Information contained in this publication is furnished free of charge for use by persons at their discretion. Because conditions of use are outside our control, Guardian Services, Inc. makes no warranties, express or implied, and assumes no liability in connection with any use of this information.

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Last revised 12/12/14

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