How to prevent cockroach recurrence?

How to prevent cockroach recurrence?

To prevent cockroach recurrence, adhere to two basic principles: seal gaps and cut off food supply.

1. Seal gaps — cut off entry routes

• Seal gaps around wall pipes with caulk.
• Install insect-proof screens over floor drains and drain openings to prevent entry from pipes.
• Install weather stripping on door and window gaps; seal gaps under doors.
• Seal air conditioner pipe entries completely; leave no gaps.
• Cockroaches can squeeze through gaps as small as 1.6 mm, so any visible gap must be sealed.

2. Cut off food supply — remove food sources

• Store all food in sealed containers; leave nothing for cockroaches.
• Dispose of garbage daily; keep bins covered and sealed.
• Regularly clean under cabinets and in corners; do not leave food residues.
• Repair leaking pipes to eliminate water sources.
• Wipe stovetops and sinks dry after use; do not leave grease.

3. Long-term protection

• After completing the above, apply dinotefuran-containing household insecticide as a film barrier on potential cockroach entry routes.
• Focus on cabinet bottoms, sink edges, baseboards, and pipe penetrations.
• Reapply every 2-3 months to maintain effectiveness.
• Regularly inspect for signs of cockroaches; treat promptly. Place sticky traps in cabinet corners for monitoring, checking monthly for trapped cockroaches.

4. Neighborhood coordination

Cockroaches spread through pipes between floors. If neighbors have cockroaches, sealing your own pipe gaps and floor drains is essential.