Drench additive

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Drench is liquid water additive designed by Denko to fight Class A and B fires. Designed to break the surface tension of water it is able to increase the penetration of the treated water into the burning material. Drench reduces the friction of water moving through a handline and allows the solution to vaporize faster increasing cooling.

[edit] Drench vs. Class A

Manufactorer claims Drench to be superior to class A foam in protecting structures such as in wildland interface fires. Though no formal studies have proved Drench to be more effective then class A foam.