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Rodent exclusion is a preventive pest control method focused on keeping rodents out of a structure by identifying and sealing all potential entry points they could use to gain access. This approach is detailed and methodical and considers rodents' behavior and physical capabilities, particularly their ability to squeeze through tiny gaps and climb various surfaces. Here’s a detailed look at what rodent exclusion involves:

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Identification of Entry Points

The first step in rodent exclusion is a thorough inspection of the property. Professionals look for any openings that could serve as gateways for rodents, no matter how small. Common entry points include gaps around doors and windows, holes where pipes and electrical wires enter buildings, foundation cracks, and spaces around roof vents and chimneys.

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Sealing and Repairing Gaps

Once potential entry points are identified, the next step is to seal these openings with rodent-proof materials. Different materials may be used depending on the size of the gap and its location, including:

• Steel wool or wire mesh for larger gaps, as rodents cannot chew through these materials.

• Caulk and foam sealants for smaller cracks and crevices in walls and around windows and doors.

• Metal flashing to reinforce areas around the structure's base or the roofline where rodents might gain access.

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Installing Barriers

In some cases, physical barriers may be installed to prevent rodent access. This can include chimney caps to block entry from above or grates over drains and vents. The goal is to create a physical blockade that rodents cannot bypass.

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Landscaping and Sanitation

Rodent exclusion also involves modifying the environment around the structure to make it less attractive to rodents. This may include trimming back trees and bushes that touch the building, removing debris and clutter that could provide shelter for rodents, and ensuring trash is properly contained and disposed of.

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Monitoring and Maintenance

After the initial exclusion work is done, ongoing monitoring is essential to ensure the measures' effectiveness and identify any new potential entry points. Regular inspections allow for timely repairs and adjustments as needed.

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The Benefits of Rodent Exclusion

Rodent exclusion offers several benefits over other control methods, such as baiting and trapping. It is a long-term solution that addresses the root cause of rodent infestations rather than just the symptoms. By preventing rodents from entering in the first place, it reduces the likelihood of damage to property, eliminates health risks associated with rodent droppings and urine, and minimizes the need for chemical rodenticides.