Insect Exclusion Insect Exclusion / Pest Barrier Opportunities for PMP's Sustainable Opportunities for Pest Management Professionals Exposed perimetertreatmentSubterranean termites Applied in both new construction and existing structures, TERM Particle Barrier uses precisely sized and shaped stones to create a physical barrier which termites can neither move aside or squeeze through. Perodic maintenance by the PMP is required. Plumbing penetration treatmentSubterranean termites By applying TERM Sealant Barrier to plumbing penetrations during construction or remodeling, a permanent barrier prevents entry of subterranean termites. Bath traptreatmentSubterranean termites Applying TERM Particle Barrier to bath traps and mop sinks excludes entry by subterranean termites. Bath trap treatmentSubterranean termites and other pests Applying TERM Particle Barrier along with TERM Micromesh, Flashing, and Sealant Barriers excludes both termites and other pests from entry to the structure.