To eliminate carpenter ants, remove wood debris around the home, eliminate the ant's food and water sources, and treat the area with a commercial pesticide. Eliminating the infestation may require several weeks, depending on the severity of the infestation.
- Clean the property
Remove firewood and other wood debris, such as mulch that is infested with carpenter ants, away from the sides of the home, and do not store firewood inside the home. Store building materials in an upright position in a location away from the home.
- Remove food and water sources
Crumbs and other food sources attract ants. Store food in sealed containers, and clean the home regularly to remove crumbs. Maintain an appropriate humidity level inside the home, and check all water faucets in the home for leaks. Repair the faucets as needed.
- Treat the infestation
Commercial pesticides are effective at eliminating the nests of carpenter ants. To treat an ant infestation with commercial spray or powder pesticide, drill a hole in the affected wood, and spray the pesticide into the hole. Bait systems are also available to attract and kill ants. For baits to be effective, they should be placed near the nest and in pathways used by the ants.