Cockroaches in Your Home? 5 Immediate Steps to Take
Cockroach problems are extremely common in Hong Kong, especially in older tenement buildings and residences near restaurants. Cockroaches are not just unpleasant — they contaminate food, spread bacteria, and pose a significant health risk to households with asthma or allergy sufferers.
Step 1: Identify the Source
Cockroaches most commonly enter through kitchen drains, gaps around pipes under sinks and communal pipework in older buildings. Turning the lights on suddenly in a dark kitchen late at night is an effective way to observe their activity areas. Key inspection spots: behind the hob and refrigerator, under the dishwasher, around pipe gaps.
Step 2: Eliminate Food Sources
Cockroaches are opportunistic feeders attracted to any food residue. Essential measures: store all food in sealed containers (including pet food); clean the hob, countertops and floor every evening; put food waste immediately into a lidded bin; avoid eating outside the kitchen.
Step 3: Seal Entry Points
Use silicone sealant to seal pipe gaps under the kitchen sink, wall cracks and floor-wall joints. Install pest screens on drain openings and close kitchen drain covers before bed each night.
Step 4: Use Gel Bait
Gel bait is currently one of the most effective household cockroach control methods. Apply small drops of gel in crevices and corners where cockroaches are active. Cockroaches consume it, die, and the chain-kill effect reaches the nest. Gel is odourless and safe for humans — ideal for kitchen use.
Step 5: Contact a Professional Pest Control Company
If cockroach problems persist or are severe, DIY treatment is rarely thorough enough. A professional pest control company can conduct a full assessment, locate breeding sources and apply professional treatments far more effectively than consumer products. In Hong Kong, pest control companies must hold a Pest Control Operator licence issued by the FEHD — confirm this before engaging.