Can Cockroaches Climb Walls?

Cockroaches easily reach all areas of your home, including the kitchen.

They’re highly adaptable and can easily multiply. They’re also relatively subtle, and most people aren’t even aware that they’re there until they’ve caused damage.

It’s essential that you treat your cockroaches diligently if you want to prevent them from causing further problems. So, can cockroaches climb walls?

When it comes to insects, cockroaches are king. They can climb walls, fly, and even survive massive nuclear blasts!

However, many people doubt whether cockroaches can actually climb walls. Many people claim that cockroaches can’t climb walls because they lack strong legs.

However, cockroaches have claws on their feet that are strong enough to grip walls. Furthermore, cockroaches have excellent eyesight and a strong sense of smell.

These senses help them find their way up smooth surfaces. Finally, cockroaches have sticky pads on their feet that allow them to cling to smooth surfaces.

Overall, cockroaches can climb walls, and they do it quite effectively!

Can cockroaches Climb Walls?

Cockroaches have an intrinsic climbing ability and are able to scale smooth vertical surfaces with ease.

The legs and feet of a cockroach are equipped with adhesive pads which allow them to cling onto any surface that they are standing on.

This ability is very handy for traversing around in dark corners and along vertical surfaces such as the walls of your home.

The capacity of cockroaches to climb walls and walk upside down is very prominent when attempting to escape from danger.

Some animals are more adept at climbing than others, but it is important to note that most animals can climb to some extent.

Most cockroaches have barbs and hooks on their front legs that allow them to grip smooth surfaces, however, some species have evolved to have longer claws which are better adapted for climbing.

Some cockroaches have wings and can fly, so this ability is not unique to them; however, all cockroach species have the ability to fly if the need arises.

Cockroaches need the grip provided by the claws to climb smooth surfaces.

How Do Cockroaches Walk on Walls?

The capacity of cockroaches to climb walls and walk upside down is very significant when trying to escape predators or find a place to hide from threats.

Their ability to climb up smooth vertical surfaces provides them a lot of flexibility when moving about in their home environment.

Being able to walk upside down is also beneficial as it helps to avoid detection by predators or potential threats.

A cockroach walking on the ceiling is unlikely to attract the attention of a predator if it is able to hide on the ceiling and remain hidden until it is ready to attack its prey.

Cockroaches have six legs, each with three segments and two pairs, which makes them an arthropod.

Cockroaches use setae (miniature hairs) on their feet to grip smooth surfaces.

Hundreds of these minute hairs, known as spatulae, are found on the underside of the abdomen of the common German cockroach.

While cockroaches lack the capacity to sweat like humans do, they can regulate their body temperature by controlling the amount of liquid in their body cavity.

Surfaces Cockroaches Cannot Climb

Cockroaches have a sticky foot and can readily grab hold of almost any surface that they come into contact with.

If they cannot grab a hold of a solid surface then they simply move to the next available surface until they are able to gain a firm footing.

That being said, there are some surfaces that roaches cannot climb up on at all due to their poor traction on the slippery surface.

If your home lacks sufficient gripping ground, the roach may move to another location within your home where it can climb and attach itself to other surfaces such as clothing or furniture.

The roaches may be unable to walk across slippery materials such as grease and oil.

This means that kitchens can be a particularly challenging environment for getting rid of these pests as they often congregate in the kitchen due to its abundance of grease and oil in the food preparation area.

Cockroaches cannot climb on surfaces such as porcelain, glass, and metal due to the slick nature of these materials.

In fact, some species of roaches can even walk on water.

If you are concerned about finding roaches in your home then consider getting the help of professional pest control services as they will be able to help get rid of the pests completely from your home.

Surfaces Cockroaches Can Climb

Cockroaches have a number of adaptations that make them particularly suited to scaling smooth vertical surfaces.

They have several sensory organs which help to detect vibrations so that they can move up or down the surface without having to touch the surface itself.

They have six legs that are equipped with adhesive pads that allow them to stick to any surface that they are standing on.

This ability is very useful for traversing around in dark corners and along vertical surfaces such as the walls of your home.

They also have large compound eyes which allow them to see very well in the dark, and their antennae are sensitive to the proximity of objects, enabling them to feel their way around as they move along a surface.

Unfortunately, many building materials, such as stone, brick, drywall, and wood, are not very porous which means that they are difficult for insects to penetrate with their setae.

This explains why most insects prefer living inside buildings rather than outside in nature where there are plenty of plants and other structures for them to inhabit.

Cockroaches can also scale most building surfaces so infestations can occur in kitchens and bathrooms as well as living rooms and bedrooms.

How Do I Know If I Have Cockroaches in My Walls?

Live Roaches

If you notice 1-2 live roaches crawling along the ceiling of a room then it is likely that there are plenty more hiding away in cracks and crannies within the walls of your home.

It is likely that these bugs have been breeding in this area for some time as they usually produce more than 200 offspring in their lifetime.

These bugs do not usually travel very far from their nest once they have set up home within a wall cavity.

This means that if there are live roaches crawling across the ceiling of a room then there are likely to be many more hiding within the walls of this living space.

To limit their numbers, you should carry out a thorough clean of the walls and floor surfaces in and around your home on a regular basis.

Egg Capsules

Another clue that cockroaches are living in your home is the presence of egg capsules attached to the surface of your walls.

These are cylindrical-shaped capsules containing hundreds of eggs that are attached by a slender stalk to the external surface of the wall.

These egg capsules are dark brown in color and usually measure between half an inch and one inch wide.

They can be mistaken for dirt or mold deposits on the wall when they are first noticed.

However, if you look closely enough at the surface of the wall you will notice that they are attached to the surface and not part of it.

They may be found anywhere in the house including the kitchen, the bathroom and in the basement, attic or crawl spaces.

Cockroaches like these regions because they can find plenty of food and water here.

Musty Smell

There is a good likelihood that you have a problem with cockroaches.

As the infestation grows, you may notice a pungent musty smell throughout the house as the insects leave behind droppings and dead carcasses as they die off from the infestation.

They may also contaminate food with feces and urine if they get close to it.

The presence of this odor can make it difficult to enjoy spending time in the home as you become accustomed to the smell over time.

A thorough clean of the house can help to remove the odors caused by the decaying corpses of the roaches, but the best way to eradicate the pests is to call a professional pest control company that can locate the source of the problem and treat the area to eliminate the roaches and prevent future infestations.

Roach Droppings in Cracks and Small Holes

The feces of cockroaches will often stick to the sides of walls, particularly in cracks and crevices where there is little light and the bugs have shelter from predators, making it difficult to spot them without using a magnifying glass or strong lighting.

Feces in gaps and fissures are a good indicator that there is an infestation nearby.

If the droppings are dark brown or black, they are likely old and indicate a larger population than the lighter-colored droppings.

Smear Marks And Flecks On The Wall

The appearance of smear marks and flecks of grease on the walls and ceilings can indicate that there is a larger population of cockroaches living in the area than you can see with the naked eye.

This is because these marks are usually left by the insects as they crawl across a wall or ceiling on their way to food or water.

As the bugs leave their bodies behind as they move about, they leave their waste products behind as well which result in these stains.

Often, the stain will appear near a pipe or electrical fixture where the cockroach finds it easier to access its food and water.

Cockroaches make irregularly shaped holes in the walls of your home where they will hide during the day and come out at night to feed on food particles left behind by humans.

This is their feces, which are brown or black in color and stick to the wall surface as dry dust-like granules that easily fall off the walls when touched.

How Do You Keep Roaches Off Your Walls?

Fill in Any Gaps and Openings

Find cracks and small holes in your home’s exterior walls and seal them with caulk, steel wool, foam sealant or other materials.

You should also seal any minor gaps or openings around pipes, electrical wires and other fixtures in the home.

This will prevent cockroaches from gaining access into your home through these areas.

Clean Your Walls More Often

Many of us overlook cleaning the walls of our homes on a regular basis because we tend to focus on our floors instead.

Make sure you clean behind picture frames, televisions, furniture and other decorations regularly to get rid of any leftover crumbs and food particles that may be attracting the roaches in the first place.

This will reduce the chances of an infestation occurring.

You should also wipe down your kitchen and bathroom tiles on a weekly basis to prevent moisture buildup that attracts the bugs and creates a favorable environment for them to thrive.

If it is not possible to wash your tiles, then at least wipe them down with a damp cloth to remove any food particles and bacteria that may be present on the surfaces.

Regularly Vacuum Your Home

Keeping your house clean is one of the most effective methods of preventing a roach infestation in your home.

Make it a habit to vacuum your home at least once a week to prevent the bugs from multiplying.

Concentrate on difficult-to-reach locations like crevices, cracks, corners, etc.

Also Read: Do Cockroaches Make Noise?


While we sleep, cockroaches can and will eat your food as well as spread disease throughout your home as they leave behind dead carcasses and spread germs as they roam through the home in search of food and moisture.

Cockroaches generally hide in locations where they can find shelter and food, so in addition to killing the cockroaches, you should also take steps to eliminate food sources around your home and to eliminate hiding places where cockroaches can hide.

This includes voids in walls or ceilings where food particles or moisture collect, clogged drains, leaky pipes, water spills, leaky taps, spilled foods and drinks, trash cans with food residue.

Cockroaches can climb vertical surfaces, and however, they can not fly.

To prevent cockroaches, use cockroach insecticides and cockroach baits to treat your home.

As a result, you will be able to protect your home against pests.