At On Your Mark Pest Control, our exterior spider treatment for residential homes and cottages is designed to stop infestations before they enter your living space. We apply a professional-grade residual barrier to key exterior areas where spiders live and breed — including soffits, eaves, window frames, doorways, foundation lines, decks, and sheds. This targeted treatment not only eliminates active spiders but also reduces the insect populations that attract them, helping to break the cycle of reinfestation. By focusing on the outside first, we minimize the need for indoor treatments while creating a protective perimeter that keeps your home comfortable and web-free. Regular seasonal applications provide the best long-term protection, especially in wooded, lakeside, or rural cottage environments where spider activity is naturally higher.