Trinity Fire & Security Systems Limited holds LPCB approval in the RedBook as a certificated gas extinguishing system firm and a certified fire detection and alarm system firm, certificates CFA-160, CFSI-024. Its LPS 1204 scope reads: “Certificated to design, install, commission and service Non-liquefied inert gases, Liquefied halocarbon gases & Condensed Aerosol and issue LPCB Certificates of Conformity for these systems.All offices listed on Trinity Fire and Security Systems Ltd’s website as shown above are covered by this certi.” Holding more than one LPCB firm scheme is uncommon — only a minority of the 239 UK holders do.