home fire suppression systems

[dave.williams@chaos.lrk.ar.us (Dave Williams)]

-> On the current "this old house" project, the owners had to install
-> sprinklers - the
-> system they described was to precharge the system with anitfreeze and
-> use a funky
-> valve to the water main to hold the antifreeze in - you could
-> probably put

 I'd be interested in knowing what the antifreeze is.  All the
automotive type antifreezes are flammable.