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Arcopestology / Exclusion

"Arcopestology" is defined as the study of architecture in relation to pest control. It does not exist as a word in the dictionary. It is a concept that blends well with innovative pest management (IPM) programs. It requires knowing the behavior of all pests, and predicting ahead of time how to head off a pest infestation or invasion.

Architectural engineers rarely give thought to pest problems when designing a structure, landscaping, lighting or the thousands of items that go into a building.

How are Pests Getting into the Building?

Eliminating pest access to the inside of the building is one of the most basic and important
IPM practices. The outside of buildings should be inspected carefully to determine any potential
entry points for pests.

The most common pest entry routes include:

- Open doors. Sometimes people prop doors open, allowing easy access for pests. Always keep doors
closed when not in use, especially kitchen doors or other entry points near dumpsters.

- Doors that don't seal. This is often a primary means of pest entry. A door that is closed to us
may present no obstacle for a pest. A mouse can easily squeeze through a small 1/4-inch opening
and an insect pest can gain access if you can see light under a door from the inside. Finding
crickets, ground beetles, millipedes, sow bugs, and similar insects inside is a common symptom
of doors that don't seal.

- Other openings from outside. Gaps around pipes, conduit lines, and ventilation ducts are also
common entry routes for pests. All of these should be properly installed and sealed tightly
with the proper sealant material.

- Open windows. All windows should have screens if they are used for ventilation.

The simple goal of this division is pest exclusion. Protecting a building structure from the exterior will prevent rodent access to the interior. An example of this would be door sweeps. The reduction of incoming pests and sealing of access to interior pest populations will place increased stress on existing pest populations. The sealing of accessible openings within a building structure will include the following;

The screening of infrequently used drains that often dry up will prevent insects and other pests from accessing the interior of the building.

  • Prevention of pests proliferation within a building.
  • Reduction of incoming pests.
  • Seal accessible openings.
  • Screen infrequently used drains.



Copper meshing for sealing rodent entry points; use it in all kinds of openings to keep out all kinds of pests. When tightly packed into a gap, cracks or small holes, around conduits and plumbing lines the copper mesh resists being pulled out. It makes exclusion work a lot easier. This is a permanent product because it is pure copper. Its interlocked loops can't be pulled apart like steel wool. It can be tacked in, staple it or glue it into the hardest to get at openings.


Sealing cracks, crevices, and voids is a major step in any IPM program this will create physical barriers to eliminate pest invasion. Foam offers a fast, economical and professional method to do the required sealing. Foam will stop the passage of most insects, rodents, birds, and other small animals. It also has an added scent to deter these animals. The product is dispensed through the “Shooter Gun.” This system assures professional placement of the exact amount of foam required to seal any gap. This product is perfect for wildlife or nuisance control.

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