With over 15 years in the business Natural Green Systems Lawn & Pest, L L C has the experience to prevent insects from entering your home. Keep spiders, ants, silverfish, roaches, centipedes and other insects outside where they belong ... all season long. This optional insect control program prevents invading pests from entering your home.Annual protection. An odorless, invisible outdoor barrier is provided against pests with professional-grade Ortho products. It seals the perimeter, silently repelling insects for 12 full months, guaranteed. Every treatment protects your home for a full year at these critical points: Decks Thresholds Trash areas Mulch beds Ivy & other ground covers Window wells & crawl space vents A foot-wide insect barrier around your entire home Cracks, crevices & other openings in your foundation Advanced and Complete Services are Guaranteed