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


horizontal rule


Need access to National Fire Protection Aassociation Standards? 

NFPA  provides free "read only" access to all NFPA standards.  Click on the image below to link to the NFPA website:




Fire Protection News/Highlights 


December, 2018   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, 2018 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 certain 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.



Link to News Archives



Gaseous Fire Suppression Agent Facts

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



Underwriter's Laboratories On-line Product Certification Database

Visit our "Links" page


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.



Click to see Company Info


Click to see Site Map



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


GSI celebrates 33rd anniversary providing fire protection and expert witness services



horizontal rule


Copyright 2009 Guardian Services, Inc.
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.

This site labeled with the Internet Content Rating Association.    

Last revised 12/18/18

Hit Counter visitors to this site