Why Do Cracks Around Utility Lines Let Pests Inside?
Cracks and gaps around utility-lines provide direct, unsealed pathways through the building envelope, allowing insects and rodents to move from outdoor habitat into wall cavities, attics, basements, and living spaces without having to penetrate intact siding or foundation. Small pests—ants, cockroaches, spiders, and flies—can squeeze through millimeter-scale openings, while mice and rats use larger voids…
