How To Cover Rat Holes

Dealing with rats can be a major headache for homeowners, as these pesky intruders can cause property damage and pose significant health risks. Learning how to cover rat holes effectively is essential in keeping them at bay and ensuring your home remains rodent-free.

In this article, we will discuss the importance of covering rat holes, locating their entry points, and applying various materials and methods to address the problem.

By understanding these techniques, you’ll be well-equipped to tackle any rat infestation head-on.

Key Takeaways

Rat holes can be found by inspecting for signs of rat activity and identifying entry points like gaps and cracks.
Clean and declutter the infested area. Remove anything that may attract rats. This can include food, water, shelter, and trash.
Effective materials for covering rat holes include steel wool, wire mesh, concrete, sand, sealant, and foam spray.
Place rat traps, baits, and poisons to eliminate any rats which may still be in your home.
If dealing with severe rat infestations or unable to locate entry points, seeking professional help is recommended.

Understanding The Importance Of Covering Rat Holes

Before we discuss the best ways to cover rat holes and keep rodents out of your home, let’s take a look at why this is such an important task and what are the risks of ignoring it.

Preventing Property Damage

One of the primary reasons to cover rat holes in and around your property is to prevent costly damage caused by these pesky rodents. 

Rats have a notorious reputation for burrowing through walls, gnawing on electrical wires, and chewing through insulation – all of which can lead to significant safety hazards such as collapsed structures, power outages, and even fires.

By taking proactive measures like covering rat holes effectively using materials such as steel wool or wire mesh, you are not only keeping unwanted pests at bay but also safeguarding your property from potential harm.

In doing so, you invest in long-term pest control solutions that protect your home’s structural integrity and overall value.

Keeping Pests Out

One of the primary reasons to cover rat holes is to keep pests out, which protects your property and maintains a healthy living environment. 

For instance, non-toxic deterrents like peppermint oil or predator urine can discourage rodents from digging new holes or utilizing existing ones in your garden.

Also, proper food storage methods and maintaining a clean, clutter-free home will reduce the chances of attracting these unwanted guests.

Locating Rat Holes

Locating rat holes is vital to seal them off effectively.

Inspecting For Signs Of Rat Activity

One way to deal with a rat infestation is thoroughly inspecting your property for signs of rat activity. By taking the time to scrutinize both interior and exterior spaces, you can gain valuable insight into potential entry points that rodents are using to access your home or business.

During your inspection process, it’s important to keep an eye out for holes that could indicate a possible rodent problem. Rat holes typically measure 2-4 inches in diameter and have smooth edges due to frequent use by the critters.

As you inspect garden areas, pay particular attention to medium-sized or large holes, which could signify an active infestation requiring immediate attention.

Rat Burrowing under Painted Concrete Wall

Identifying Entry Points

If you want to cover rat holes and keep these annoying critters out of your home, you need to find all the places where they can sneak in. 

This means you have to check your property carefully and look for clues that rats have been around, such as droppings, gnaw marks, and greasy rub marks along walls or floors.

Common entry points include gaps in window screens, cracks in foundations or walls, vents with damaged grates, and even openings around utility lines or pipes. 

Once you’ve identified all potential access points, you can begin taking steps to seal them off using a combination of materials such as wire mesh or insulating foam sealants to prevent future infestations.

Materials And Methods For Covering Rat Holes

Once you have located all the rat holes in your property, you need to choose the right materials and methods to cover them effectively.

Steel Wool

Steel wool is an effective material for covering rat holes due to its toughness and flexibility. It can be shaped into various sizes to fit snugly into cracks and crevices, providing an impenetrable barrier against pests like rats and house mice.

One of the advantages of steel wool is that it is cost-effective, readily available, and easy to install. In addition, rodents cannot chew through it or displace it once it has been installed correctly.

This makes steel wool one of the most commonly recommended methods for pest control by homeowners and professional exterminators alike.

Wire Mesh

Wire mesh is effective for covering rat holes and preventing rodent infestations. It comes in different sizes, with the ¼-inch wire being the most recommended for excluding rats from structures and conveyor belts.

It should be secured tightly during installation to cover any gaps or openings that rodents might use as entry points. Wire mesh can also be used along with other materials like cement or expansion foam to fill larger gaps before sealing them off completely.

Concrete Or Sand

Concrete or sand can be effective materials for covering rat holes, particularly those that are deeper in the ground. These materials not only fill the hole but also stabilize the ground and discourage further digging by rodents.

It’s important to note that concrete may cause damage to nearby structures if not applied properly, so it’s recommended to seek professional help for larger holes or areas with heavy rodent activity.

Sand, on the other hand, is a non-toxic alternative and can easily be poured into smaller holes as a temporary solution until permanent repairs are made.

Insulating Foam Sealants

Insulating foam sealants are one of the most recommended materials for covering rat holes and preventing pests from entering your home. 

Using spray foam insulation is also effective for preventing rat infestations and making it more difficult for them to infiltrate your house. Unlike other materials that can serve as breeding grounds for pests, spray foam insulation does not provide them with any food or nesting opportunities.


Caulk is a commonly used material for sealing small holes and gaps to keep rodents out of your home. It is easy to apply and can be used on various surfaces, including wood, metal, and masonry.

When using caulk for rat hole coverage, it’s recommended to use sealants specifically designed for pest-proofing situations. These products are more durable than regular caulking compounds and contain chemicals that rats find unappealing.

Additionally, it’s important to make sure that the hole is thoroughly clean before applying any sealant or caulk so that it adheres correctly. Remember that while caulking can be suitable for small holes in walls or floors, larger openings may require other materials like lath or wire mesh before caulking them shut.

Steps For Covering Rat Holes

The following are the steps for covering rat holes.

Cleaning The Affected Area

Before you attempt to cover rat holes, cleaning the affected area thoroughly is important. Rats and other rodents are attracted to dirty or cluttered environments, so removing any debris or excess food waste can help prevent future infestations.

One way to do this is by using a bleach solution (one part bleach to nine parts water) and wiping down surfaces with gloves on. Be sure to dispose of any contaminated materials in sealed plastic bags and clean your hands thoroughly after handling them.

Stuffing Holes With Steel Wool Or Wire Mesh

One effective method for covering rat holes is to stuff them with steel wool or wire mesh. These durable and strong materials make it difficult for rats and other pests to chew through and enter the home.

Steel wool is especially useful for small holes, while wire mesh is better suited for larger openings. Before stuffing the hole, it’s important to make sure that all rats have been cleared out of their burrows so as not to trap them inside.

Using Sealant Or Foam Spray To Cover Small Holes

A sealant or foam spray is one effective way to cover small rat holes. These products expand and fill gaps, preventing rodents from entering. Before applying the sealant or foam spray, stuffing the hole with steel wool or wire mesh is important to ensure maximum coverage and effectiveness.

Filling Large Holes With Concrete Or Sand

When it comes to covering larger rat holes, filling them with concrete or sand can be an effective solution. This is particularly useful when the rodents have already vacated their nest, and you want to prevent further activity in the area.

To do this, locate all entry and exit points and fill them completely with concrete or sand. It’s important to note that pouring dry or wet concrete down a hole may only prevent the rodent from digging a new opening through the ground, so it’s essential to pack the material tightly.

Additionally, deeper rat holes may occur if they’re attempting to burrow past barriers like building foundations or concrete slabs.

Covering Holes With Wire Mesh And Securing With Screws

One effective method for covering rat holes is to use wire mesh and secure it with screws. This technique fills the hole and creates a barrier that rats cannot chew through.

It’s important to cut the wire mesh slightly larger than the hole and then fold it over on all sides, securing each side with screws. This will ensure that rats cannot find a way in or out of the hole.

Using this method, you’ll want to make sure there are no gaps between the wire mesh and surrounding materials like brick or wood. If there are any spaces, caulk or expanding foam sealant can be used to fill them in completely.

Remember that just one small gap could be enough for rats to squeeze through and continue their infestation.

Preventing Future Rat Infestations

The following methods will help prevent future rat infestations.

Keeping Your Home Clean And Clutter-Free

Rodents are attracted to messy rooms with a lot of stuff piled up, so decluttering regularly can make it less inviting for them.

Proper hygiene practices such as cleaning up spills, washing dishes promptly, and vacuuming often can also help prevent rats from invading your home in search of sustenance.

Implementing these simple cleanliness habits prevents rodents and benefits overall sanitation and organization in your home.

Sealing Gaps And Holes Around The Outside Of Your Home

Rats can enter through small openings, such as gaps around utility lines or spaces under doors, so it’s important to inspect the exterior of your home for any potential entry points.

You can use steel wool, wire mesh, or caulk to seal up these gaps and holes. Make sure to pay extra attention to areas with pipes or wires entering your house, as these are common entry points for rodents.

Proper Food Storage

Rodents are attracted to easily accessible food, water, and shelter sources. Make sure to keep all dry goods, such as cereal or pasta, in sealed containers. This will limit the number of attractants present in an area and make it more difficult for rodents to sniff out their next meal.

Additionally, be sure to clean up any spills or crumbs right away so there’s no chance of rodents being tempted by leftover bits of food.

Using Traps And Baits As Needed

Traps and baits can be effective at removing rodents from your home or business, but it’s important to use them properly for maximum results. Snap traps with springs are a popular option that can quickly kill rodents when baited with food.

Be sure to place snap traps near droppings and activity areas for the best chances of success.

However, it’s important to note that using traps and baits alone won’t prevent future infestations. Additional measures may be necessary to permanently keep rats and mice out of a space, such as pest-proofing and sealing gaps around the outside of the building.

When To Seek Professional Help

If you are dealing with a severe rat infestation or are unable to locate entry points, it may be time to seek the help of professional extermination services.

Severe Rat Infestations

Severe rat infestations are a serious problem that can require professional help to address. Signs of a severe infestation include the presence of droppings, gnaw marks, feeding damage, and rub marks.

If left unchecked, rats and mice may spread disease, contaminate food and destroy property.

It is important to identify rodent activity early on to prevent severe infestations from taking hold. After natural disasters or when temperatures drop during winter months, rat populations tend to increase, leading to significant damage in residential and commercial areas.

Unable To Locate Entry Points

If you’ve inspected your home and can’t seem to locate any entry points for rats or mice, it may be time to seek professional help. Professional extermination services have the expertise and tools to find even the most elusive entry points, ensuring that no rodents will enter your home.

Additionally, severe infestations may require more than just sealing up holes – traps and baits may also need to be used with proper pest prevention techniques to eradicate the problem fully.


Covering rat holes is essential to protecting your home and health from rodent invasion. You can do this by finding the holes using clues like droppings and gnaw marks and then filling them with materials that rats can’t chew through, such as steel wool or concrete. 

You should also take steps to prevent rats from returning, such as storing food in sealed containers and fixing any cracks or gaps around your home.

Photo of author
Sean is the founder of Conquer Critters. With more than 17 years of experience in dealing with various pests, he is passionate about spreading his knowledge to help everyone manage their pest problem in the fastest, most effective manor possible.

3 thoughts on “How To Cover Rat Holes”

  1. Heya just wanted to give you a quick heads up and let you know a few of the pictures aren’t loading correctly.

    I’m not sure why but I think its a linking issue. I’ve tried it in two different internet browsers and both show the same outcome.

    My site … vpn special code


Leave a Comment