Getting rid of carpenter ants can be a bit tricky, but with the right approach, you can eliminate them and prevent future infestations. Here’s a comprehensive guide on how to deal with carpenter ants:
1. Identify the Source
Carpenter ants typically nest in wood, especially damp or decaying wood. Start by inspecting your home for signs of infestation, such as small piles of wood shavings (frass), rustling noises coming from the walls, or the presence of ants themselves, often larger than other types of ants. Focus on areas with moisture problems like leaky pipes, roofs, or basements.
2. Locate the Nest
Finding the nest is crucial for effective treatment. Carpenter ants often create nests inside walls, attics, or other wooden structures. Follow the ant trails to locate their point of entry or the nest. The nest may be difficult to find, so you may need to look for multiple signs of activity or hire a professional to locate it.
3. Seal Entry Points
Once you’ve identified where the ants are coming from, seal any cracks or gaps in walls, windows, doors, and around utility lines. This will prevent further ants from entering your home.
4. Remove Attractants
Carpenter ants are attracted to moisture and food sources. Make sure to eliminate food scraps, crumbs, and sugary substances, and fix any leaks or damp areas around your home. Ensure wood is properly sealed and protected from water damage.
5. Use Ant Baits or Traps
Carpenter ant baits are effective for eliminating the colony. The worker ants carry the bait back to the nest, where it is consumed by the queen and other ants, leading to the collapse of the colony. Choose a slow-acting bait that allows the ants to transport it back to the nest. Be patient, as it may take a few days for the treatment to work.
6. Apply Insecticidal Dust or Sprays
Insecticidal dust or sprays designed specifically for carpenter ants can be applied to visible nests or along known ant trails. Use these products according to the instructions, as misuse can be harmful to people and pets. Be cautious about where you apply them to avoid contamination.
7. Remove Infested Wood
If the carpenter ants are nesting in wood, removing the damaged wood can be an important step in eliminating the infestation. Replace any wood that has been significantly damaged by the ants to prevent further attraction.
8. Use Diatomaceous Earth (DE)
Diatomaceous earth, a natural pest control substance, can be sprinkled around areas where you’ve noticed carpenter ants. The fine powder damages the ants’ exoskeletons, causing them to dehydrate and die. This is a non-toxic option that’s safe to use in homes with children and pets.
9. Call a Professional
If the infestation is large or difficult to control, it may be time to contact a pest control professional. Experts have the tools, experience, and treatments necessary to effectively locate and eliminate carpenter ant colonies, including the use of specialized baits and insecticides.
By following these steps, you can successfully get rid of carpenter ants and prevent future infestations. Early intervention and regular maintenance are key to keeping your home ant-free.

If a Carpenter Ant infestation is suspected and want to get rid of the
pests then best to contact a licensed pest control professional. Who will
do an inspection and give a recommendation for a method of carpenter ant
extermination
How to get rid of carpenter ants?