FireFighter GL38 is a non-toxic, glycerine-based antifreeze for use in CPVC wet fire sprinkler systems, as well as most other types of pipe.  FireFighter GL38 is factory pre-mixed to NFPA guidelines of a 38% glycerine solution. All fire sprinkler systems utilizing FireFighter GL38 should conform to local, state, and NFPA requirements. The use of antifreeze within these systems should also conform to NFPA requirements. 


FireFighter GL38 antifreeze is used in any environment where the potential exists for freezing conditions. When used undiluted, FireFighter GL38 protects against freeze damage failure and ensures flow in wet fire sprinkler systems, including CPVC