William from Richburg S C writes
ProFoam is not an insecticide itself; it is used to mix with insecticides to turn them into a foam. However, after mixing ProFoam with an insecticide, it needs to be applied through a foaming machine such as the Chapin Poly Foamer. Foams work well for treating inside holes and wall voids.
Answer last updated on: 11/09/2013