Customer Q&A
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Asked by Ward from Blue Ridge, Va08/17/2017QHow long does a barrier last in dry areas with PestXpert Home Barrier Insect Killer Concentrate?
Spraying a barrier under eves, top of slab, foundation, wall penetrations behind boxes, vent holes in brickwork. How long does a barrier remain effective? Is this a WP or oil base residue?APestXpert Home Barrier Insect Killer Concentrate is a water-based liquid product that has a residual of up to 30 days, though instructions for some areas and pests allow application intervals of 7-10 days.