American cockroaches are the large, reddish-brown cockroaches that can grow up to 4 cm long and fly short distances on warm nights. In North Lakes, they breed in stormwater drains, sewer lines, garden mulch and the damp edges of the lakes and wetlands. From there, they find their way into garages, laundries, bathrooms and roof spaces.
Because they breed outside, spraying the room where you saw one will not solve much. The crew we book looks at the whole property. They check the drains and grates, the gap under the garage roller door, weep holes along the brick walls, pipe entries, downpipes and the garden beds against the house. If large cockroaches are dropping from light fittings or exhaust fans, they will also look in the roof void.
A typical American cockroach treatment covers:
- An outdoor perimeter spray around walls, doors and weep holes
- Treatment around stormwater grates, pits and floor drains
- A spray treatment in the garage along walls and the roller door
- Dust in the roof void where there is activity
- Gel bait inside where cockroaches have been seen
These cockroaches peak from late spring through summer, and heavy storms often bring a wave of them up from the drains. Booking a treatment before the wet season helps keep them outside. After the visit, you may find a few slow or dead cockroaches around the garage and outside walls for a week or so, which shows the treatment is reaching them. Keeping mulch back from the walls and fitting a seal to the garage door also helps. Call 07 3543 7767 for upfront pricing on American cockroach control in North Lakes.
