How to Get Rid of Roaches in Your Home

There are many different ways to get rid of cockroaches. The effectiveness of these techniques can vary, and the best option for your infestation will depend on the exact species you’re dealing with and other details. In this article, we’re going to teach you how to get rid of cockroaches in your home, from DIY treatments to long-term prevention.

We’ll cover:

• Common Cockroach Control Techniques and How Effective They Are
• All-Natural Cockroach Control – Does It Really Work?
• The Most Effective Type of Cockroach Control
• Tips to Help Prevent Your Next Roach Infestation

So let’s jump in and explore ways to get rid of and prevent roaches in your home.

How Do People Eliminate Roaches?

If you discover a cockroach problem in your house, acting quickly is crucial. Many roach species (especially German cockroaches) breed extremely rapidly, and it doesn’t take long to go from a few individuals to a massive infestation.

Here are some common techniques that are used and what you should know about them:

Store-Bought Contact Sprays (e.g. Raid and Hot Shot)

• How it works: These are direct-contact neurotoxins. When you spray a roach directly, the chemicals quickly shut down its nervous system, killing it almost instantly.
• Effectiveness: High for the individual roach, Low for the infestation. It only kills the bugs you can actually see. The other 98% of the colony hiding inside your walls will remain untouched. Contact sprays can be useful for species like American cockroaches, where it’s more likely that one individual mistakenly wandered into your house.

Store-Bought Residual/Barrier Sprays (e.g. Ortho Home Defense)

• How it works: You spray these along baseboards, doorways, and windowsills. The chemical dries and leaves a toxic residue that is meant to kill roaches when they walk across it later.
• Effectiveness: Moderate. They are decent for keeping outdoor roaches from wandering inside. However, for an active indoor infestation (like German cockroaches), they can actually backfire. Roaches can smell the residue and scatter into deeper, harder-to-reach areas of your walls.

“Bug Bombs” or Foggers

• How it works: You set off a pressurized can that releases a pesticide mist into the air, theoretically coating the entire room.
• Effectiveness: Very Low. The mist shoots up and settles on top of furniture and counters, but it doesn’t penetrate the deep cracks, crevices, and electronic appliances where roaches actually hide. Like barrier sprays, it often drives them deeper into walls.

Bait Stations

• How it works: Food attractants are mixed with a slow-acting insecticide. Cockroaches eat the bait, return to their nest, and die. Because roaches are cannibalistic, others eat the poisoned carcass or droppings, creating a lethal domino effect.
• Effectiveness: Highly Effective, though it can take a week or two before you notice results. This is widely considered the gold standard for eliminating entire colonies, especially German cockroaches.

Sticky Traps / Glue Boards

• How it works: Scented cardboard strips coated with a strong adhesive catch roaches as they forage.
• Effectiveness: Moderate to Low. Great for monitoring where roaches are traveling and identifying the species, but they only catch a fraction of the population and won’t eliminate a nest.

Can You Eliminate Cockroaches Naturally?

It’s very difficult to get rid of cockroaches using only all-natural methods. Roaches are highly resilient creatures that can adapt quickly to harsh environments and resist toxic substances. These products may provide a degree of protection against them, but it’s unlikely that they’ll completely solve an active roach infestation.

Boric Acid

• How it works: A fine powder dusted into cracks and crevices. It clings to the roach’s legs and body; when they groom themselves, they ingest it. It acts as a stomach poison and disrupts their nervous system.
• Effectiveness: Can be effective if applied correctly (a barely visible layer). If applied too thickly, roaches will simply walk around it.

Diatomaceous Earth (Food Grade)

• How it works: A natural powder made from fossilized algae. The microscopic particles are sharp, cutting through the roach’s waxy exoskeleton and drying them out from the outside.
• Effectiveness: Low to Moderate. It is safe around pets and works well in dry, hidden areas, but it takes time to kill and becomes useless if it gets wet.

Essential Oils (Peppermint, Tea Tree, Eucalyptus)

• How it works: Strong scents act as a natural deterrent, masking the pheromone trails roaches use to navigate.
• Effectiveness: Low. They might repel roaches temporarily from a specific countertop, but they will not kill them or solve an infestation. They just make the roaches move somewhere else.

Baking Soda and Sugar

• How it works: Mix equal parts sugar (the bait) and baking soda (the killer). When the roach drinks water after consuming the baking soda, it creates gas that bursts their internal organs.
• Effectiveness: Low. A decent, non-toxic alternative to contact sprays for a few stray roaches, but impractical for a large-scale problem.

What’s the Fastest Way to Get Rid of a Cockroach Infestation?

The fastest way to get rid of cockroaches is to hire a professional exterminator. A professional will have the best and most effective tools for the job, and they’ll be able to deploy them for maximum impact. We strongly recommend calling a cockroach exterminator if you discover them in your house, but some people prefer to try to tack the problem on their own first.

Exterminator / Professional Pest Control

• How it works: Professionals use a combination of commercial-grade residual sprays, baits, insect growth regulators, and exclusion techniques based on the specific roach species.
• Effectiveness: Maximum. The fastest and most reliable method, especially for severe infestations.

How to Prevent Cockroaches in Your Home

To keep roaches away over the long-term, your best strategy is to deprive them of access to three resources that are critical to their survival: food, water, and shelter. All of the most common cockroaches in North Carolina are searching for those three things. Of course, cockroaches need little food and water to survive, so this can be easier said than done. Below you’ll find some tips that can help you in each of the key areas.

1) Prevent Cockroaches by Eliminating Their Access to Food

Cockroaches have a sharp sense of smell and hunt down the smallest crumbs.

• Immediate Cleanup: Clean cooking and eating areas right away. Sweep, vacuum, and mop regularly so crumbs and spills don’t invite pests.
• Airtight Storage: Roaches chew through cardboard and thin bags. Seal cereal, flour, and pet food in sturdy plastic or glass containers.
• Smart Trash Habits: Use a tight-lidded trash can, empty it every night, and wash out the bins periodically to remove residue.
• No Overnight Dishes: Dirty sinks provide food and water. If you can’t wash dishes immediately, rinse them clean and drain the basin.

2) Reduce Excess Moisture So They Don’t Have Water Sources

Cutting off moisture is critical. Roaches can survive weeks without food but die in days without water.

• Drain Care: Flush drains with baking soda and boiling vinegar to clear organic buildup. Cover drains with mesh screens at night.
• Fix Leaks Fast: Check under sinks, behind toilets, and around appliances for slow drips. Even a tiny leak sustains a roach population.
• Dry Out Damp Spaces: Run a dehumidifier in damp basements or crawl spaces, and use bathroom exhaust fans during and after showers.
• Empty Trays: Regularly dump standing water from refrigerator drip pans, air conditioners, and houseplant saucers.

3) Keep Them Outside – and Deny Access to Shelter – with Physical Barriers & Exclusion

Physical barriers — or “exclusion” — stop pests at the perimeter. Pair this with food and moisture control for maximum protection.

• Seal Entry Points: Check inside and out for gaps. Use silicone caulk around baseboards, vents, electrical outlets, and plumbing pipes.
• Door Sweeps & Weatherstripping: Roaches flatten their bodies to squeeze through tiny gaps. Install tight door sweeps and replace worn window seals.
• Inspect Deliveries: Check grocery bags, shipping boxes, and secondhand goods for hidden roaches or egg cases before bringing them inside.
• Declutter: Toss out old cardboard boxes, paper bags, and magazines. They provide shelter, and the glue can serve as a food source.
• Trim Greenery: Cut back bushes and tree branches so they don’t touch your walls or roof, cutting off their bridge to your home.

How Do Cockroaches Enter Properties?

Cockroaches can enter properties through various means, including:

• Cracks and Crevices: Small openings in walls, floors, and foundations provide entry points.
• Pipes and Drains: Roaches can crawl through plumbing and drainage systems.
• Gaps Around Windows and Doors: Even the tiniest gaps can be an invitation for roaches.
• Grocery Bags and Packages: German cockroaches are especially adept at hitching rides into your home on grocery bags, boxes, and other items brought indoors.

What Will Kill Roaches Instantly?

For immediate results, contact sprays and boric acid can quickly or immediately kill roaches. However, you should remember that these are not designed to be solutions to eliminate an entire infestation. They’re great if a wayward cockroach wanders into your house, or you have one particular area that’s crawling with them.

For long-term control, you will need to combine a fast-acting solution with a solution like baiting stations that can eliminate the entire colony. Or better yet, hiring a professional pest control team ensures an immediate and long-lasting solution.

Call Us for Professional Cockroach Control in North Carolina

Cockroaches are a common and persistent pest problem in many homes and businesses. Our climate here in North Carolina, with warm summers and milder winters, seems particularly tailor-made for them. While roaches can be an unpleasant nuisance, that’s not the main reason you should want to get rid of them. The more important factor is that cockroaches can be dangerous for their ability to spread pathogens and bacteria that make people sick.

Dealing with roaches requires a multifaceted approach, combining preventive measures with effective elimination techniques. It’s a job that takes some persistence and strategy. If your attempts aren’t getting the results you need, reach out to your local cockroach control company and ask how they can help.

At Bug Out we train our cockroach control team to conduct exhaustive inspections, eliminating all sources of infestation and helping our customers prevent outbreaks going forward.

Contact us today for a free quote!