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Simple Tips to Prevent a Cockroach Infestation in Your Home

A cockroach infestation is not just annoying; it’s a full-blown health hazard. You’ll spot one in your kitchen today, and the next thing you know, they’ve taken over your skirting boards, food storage, and even your electrical appliances. 

Whether it’s German cockroaches nesting behind your fridge or American cockroaches crawling in from the drains, they thrive where there’s warmth, moisture, and easy access to food.

Allstate Pest Control, in this article, shows you how to avoid cockroach infestation at home without turning your space into a chemistry lab.

What questions will this article answer?

Why You Need to Avoid a Cockroach Infestation

Although they don’t bite humans, cockroaches are able to transmit a range of nasty diseases and germs from one place to another.

This is because they live and feed in sewers, rubbish bins and other unsanitary places which are brimming with bacteria, viruses and parasites. These harmful organisms can accumulate and then be passed on through cockroach droppings and saliva. Some can even hitchhike to other places by latching onto the cockroach’s legs.

If you happen to ingest food or drink that has been in contact with a cockroach, it could well be contaminated and cause potentially serious illness. This is particularly problematic not just for homes, but also for hospitality businesses.

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Problems Caused By Infestation of Cockroaches

Skilled at surviving in different environments, cockroaches can be just as comfortable living in your rubbish bin as they are in your pantry or bathroom. However, this means that they can contaminate once-sterile surfaces and places and cause a wide range of illnesses and diseases. This includes diarrhoea, food poisoning, typhoid fever, cholera, dysentery, hepatitis A and leprosy.

With sharp teeth and strong jaws, they can chew through plastic, fabric, furniture, books and leather goods.

Cockroach droppings also contain pheromones which attract more cockroaches to the same area.

Some people may even experience allergic reactions to cockroach droppings, shed skins, and saliva. Those with asthma may need to take extra precautions.

How to Identify a Cockroach Infestation

While it’s common to notice an odd cockroach here and there, this can also be a sign that there are many more hiding away quietly. Here’s how to tell if you have a full-blown infestation on your hands:

You notice cockroaches in the daytime

As nocturnal creatures, cockroaches usually only prefer to roam around at night. However, if you notice them at other times, this could indicate that you have an outbreak.

Cockroach droppings

If you’re consistently seeing tiny black granules that resemble coffee grounds scattered around, these could be cockroach droppings.

A musty odour

Cockroach droppings leave behind an unpleasant smell. It’s often strongest in infested areas, such as cupboards, skirting boards, or under sinks. If your home starts to smell stale for no clear reason, suspect cockroaches.

Egg capsules

While they vary in shape between species, they are usually tan, black or brown coloured and shaped like a pill.

Skin shedding

As cockroaches grow, they will shed their outer skin and leave it behind. In the event of an outbreak, this would be a common sighting.

How to prevent a cockroach infestation

We recommend keeping cockroaches out of your home or business in the first place, as well as reducing available food sources and hiding spots.

Cockroaches will eat almost anything, including meat and vegetables, sweet or greasy foods, paper, leather and fabric. This means that it’s essential to store all food tightly and keep your kitchen and dining areas clean. Wipe away spills and grease, wash cutlery and keep sinks and drains clear. Practice good hygiene when handling food—clean tables and benches as well after use. Don’t forget to tightly seal and cover rubbish and discard pet waste.

Regular building maintenance also plays a key role in keeping cockroaches away. Being small and flat, they can crawl through small gaps to gain entry, so you’ll need to carefully check for all potential entry points and seal them with gap filler or expanding foam.

Leaking pipes and drains create a damp environment for cockroaches to thrive, so we suggest checking for leaks and repairing them as quickly as possible.

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Professional cockroach treatment

In the event of an outbreak, it’s best to call in the experts to get the problem under control fast, and to stop it from happening again.

We use the following methods to prevente a cockroach infestation.

Cockroach insecticide

We apply this to the perimeters of the building to stop cockroaches from entering inside, as well as to established nesting areas.

Cockroach control dust

For access to hard-to-reach places, such as voids, cracks and crevices, we sprinkle tiny insecticide granules to encourage cockroaches out of the hiding spots. You may initially notice an increase in the number of cockroaches as a result.

Gel baits

Bait stations containing an insecticide gel can be strategically positioned at well-known feeding sites.

Pest Management Programs for businesses

To help our commercial and industrial clients to prevent cockroach outbreaks and meet their health and safety requirements, we offer a cost-effective integrated pest management service. This includes routine pest inspections, as well as an online reporting portal to access reports, records and trends at any time.

Speak to one of our friendly customer service consultants to learn more about our pest management services for businesses.

Choose Allstate for fast and effective cockroach extermination

At Allstate, we understand that the last thing anyone needs is an outbreak of cockroaches in your home or business while you’ve been away for holidays. But thankfully, with the right treatment, you can have the problem under control quickly.

Since 1986, we have been providing pest control services to all suburbs of Adelaide. With a 24/7 availability, our highly trained team can provide advice for urgent enquiries in residential, commercial and industrial settings. Rest assured that our treatments are non-toxic to children, pets and the environment.

All our services come with competitive warranties and a 100% satisfaction guarantee. We can even provide finance options, allowing you to access our effective cockroach management treatments easily and without delay.

Frequently Asked Questions

How do I keep cockroaches away from my room, especially at night?

To keep cockroaches away from your room, avoid eating there entirely. Crumbs, leftover food, and pet food bowls are enough to attract them. Check for cracks near skirting boards and entry points. Cockroach control starts with sealing off where they sneak in and removing their food sources completely.

What smell keeps cockroaches away without using chemicals?

Cockroaches generally dislike strong scents. Essential oils like peppermint, tea tree, or eucalyptus can repel them when used correctly. Mix with water and spray around baseboards, skirting boards, and moist areas like behind the toilet. While it’s not a cure-all, it helps in preventing cockroaches from claiming territory.

Why is squashing a cockroach not the best idea?

Squashing it can spread harmful bacteria from their body onto your surfaces. It’s always better to trap it, seal it in a bag, and toss it out. Or better yet, call a professional cockroach control service to stop the infestation at its source.

While it’s a common belief, squashing a cockroach, especially a female German cockroach (Blattella germanica), won’t release an egg case or unleash a swarm of baby roaches. That myth’s long been busted.

What are the first signs of a cockroach problem in the house?

Seeing dead cockroaches, egg cases, or even spotting them during the day signals a full-blown infestation. Check under sinks, near litter trays, and in warm crawl spaces. The more pungent the smell and the more droppings you see near food sources, the bigger the cockroach problem. Act early before they multiply.

How can I permanently manage roaches in the kitchen?

It starts with a habit and a regular treatment plan. Ensure you make a weekly (or biweekly) deep clean of all food preparation areas: under the toaster, behind the fridge, and inside drawers. Remove cardboard boxes and any unnecessary containers; they give German cockroaches a perfect hiding spot. Store food in airtight containers, and never leave water bowls or pet food out overnight. 

For stubborn cockroach infestations or recurring issues, Allstate Pest Control has effective cockroach control solutions for kitchens and food areas. Call us at 08 8371 1277

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Why Pet-Friendly Pest Control Matters

Pets don’t think twice about sniffing around the skirting boards, licking a spill, or rolling on the carpet. If that surface has been sprayed with the wrong product, the end result may leave even your vet helpless.

Accidental poisoning in pets is a common household emergency. Dogs and cats are especially sensitive to insecticides. Even small amounts can cause vomiting, drooling, or worse.

And it’s not just about pets. If you’ve got toddlers crawling around, they’re exposed to the same risks. That’s why pest control that’s safe for pets and kids is the best choice.

Common Pet-Friendly Pest Control Methods That Work and Don’t

Online DIY forums are full of advice on pet-friendly pest control methods that work and help you keep the pest control service away. But let’s see how they test.

Natural Solutions

Many people try natural remedies first. Essential oils, diatomaceous earth, and even planting herbs like basil and rosemary around the yard. These options are eco-friendly pest control methods.

Some also swear by planting herbs around the fence line. Yes, they smell nice and look nice.
But mozzies and cockroaches don’t really care.

One bloke in Adelaide tried peppermint oil sprays. His dog sneezed nonstop. He later discovered that peppermint can be harmful to dogs.

Sure, they can help with mild pest problems, but they’re not reliable.

Science backs it, too. A 2005 study in Phytotherapy Research tested 38 oils. None protected against mosquito bites for more than 2 hours. Citronella oils, which lots of people rely on, need re-application every 20–60 minutes to stay effective.

Eco hacks might be fine for a backyard BBQ, but not for a full-blown cockroach infestation in the kitchen.

Pet-Friendly Pest Control Sprays

The better option is low-toxicity sprays used by professionals. These are proper pet-friendly pest control sprays, not off-the-shelf supermarket products. They’re regulated, tested, and applied with care.

We don’t soak your whole house. We treat cracks, skirting boards, and entry points. That way, pests are dealt with, and pets aren’t exposed to wet chemicals.

Want to know how these treatments work? Check our General Pest Treatment Guide for a full breakdown, or call a pest control professional and ask your questions.

Integrated Pest Management (IPM)

Then there’s IPM, Integrated Pest Management. It’s not just about treatment; it’s about prevention.

Here’s how it works:

  • An IPM professional comes to inspect and monitor pest activity.
  • Seals off entry points around the house.
  • Removes food and water sources.
  • Uses bait stations or rodent traps that are tamper-proof.
  • Applies treatment only where and when it’s needed.

The result is highly effective pest control with minimal chemicals and long-term safety for pets and families.

Preparing Your Home for Safe Pest Control

Even with pet-safe products, you’ll want to prep your house before a visit. Think of it as helping us to do a better job.

Here’s what to do:

  • Pick up all pet bowls, toys, and bedding.
  • Cover aquariums or bird cages.
  • Keep dogs and cats outside until treated areas are dry.
  • Open windows or doors to air out rooms after sprays.

If we’re doing rodent work, we’ll place bait stations or rodent traps where pets can’t reach them. You can see more in our steps for preparing for rodent treatment.

Long-Term Pest Prevention That’s Pet Safe

Safe pest control isn’t a one-off. Pests can come back if the conditions are right. Long-term prevention is key.

Here’s what you can do around the house:

  • Seal gaps under doors with draft stoppers.
  • Fit mesh screens on windows to keep insects out.
  • Store food in airtight containers.
  • Keep bins sealed and away from the house.
  • Clear clutter in sheds and yards where rodents love to hide.

And here’s what we do as part of our home pest maintenance services:

  • Regular low-toxicity treatments.
  • Monitoring of high-risk areas.
  • Pet-safe traps and bait stations.
  • Tailored advice for your property.

Real Homeowners Choosing Pet Safe Options

A lot of Aussies are testing out “pet-friendly” pest control ideas on their own. Some work for a little while. Some don’t. And some can cause more trouble than expected.

Take one Adelaide dog owner. They sprayed peppermint oil around the skirting boards, thinking it would keep spiders out. Within minutes, their dog was sneezing and rubbing against the carpet. A vet later explained that peppermint can be toxic for dogs if it’s inhaled or licked. What seemed like a harmless natural fix turned out to be a risk.

pet friendly pest control feedback

Another family with two cats tried essential oils for mozzies after reading about it online. The smell was strong, but the mozzies were back the same night.

Then there was a Reddit thread where one user said they wouldn’t risk their pets’ health “to save $100 a year” on a pest control service. They said, “They’re professionals. The cost to buy the stuff and figure out proper amounts is hardly worth the effort.” They pointed out how easy it is to get the wrong mix or dosage when you’re guessing with DIY solutions.

pet friendly pest control review

These stories are reminders and warnings that not every “natural” or DIY idea is as safe or effective as it seems. If you’re trying something at home, always check whether it’s safe for pets first. And know that some methods may not last long enough to fix a real infestation.

Keep Pests Out and Your Pets Safe.

Pet-friendly pest control is about doing things smarter and not harsher. You don’t have to choose between protecting your home and keeping your pets safe. With low-toxicity sprays, IPM, and long-term prevention advice from your pest control professional, you can enjoy a pest-free home without risking your furry mates.

DIY fixes might look appealing, but they’re often unsafe or ineffective. Professional support from a licensed pest control company is the safer option for your family, pets, and property.

At Allstate Pest Control, we’ve built our reputation as South Australia’s most trusted pest control company by protecting what matters. Call 08 8371 1277 today or book a pet-friendly pest control service online in Adelaide. Keep pests out, and keep your pets safe.