What do high-energy foam systems introduce into the foam solution before discharge?

High-energy foam systems introduce compressed air into the foam solution before discharge. This process is essential because it enhances the expansion and aeration of the foam, allowing it to create a more effective and stable foam blanket when applied to a fire. The introduction of compressed air increases the volume of the foam, resulting in a lighter and more effective application that can cover large areas and suppress fires more efficiently.

In fire suppression, the aim is to smother the fire and prevent oxygen from fueling it, and the use of high-energy foam contributes significantly to this by creating a barrier that isolates the fuel from the oxygen. The ability of the foam to expand and adhere to surfaces also helps in sealing off flammable vapors, making it a vital component in firefighting operations.