How to Use Mothballs in Garage

Mothballs are an effective way to keep moths and other pests away from stored items in your garage. Mothballs contain a pesticide or insecticide, usually naphthalene paradichlorobenzene.

How to Use Mothballs in Garage

It is important to use mothballs properly to avoid health risks associated with exposure to the chemicals they contain. When used correctly, mothballs can be a great tool for keeping moths and other pests away from your stored items.

Mothballs are an effective and inexpensive way to prevent pests from infesting your garage. These small naphthalene balls can be placed in corners, drawers, crevices, and other hard-to-reach places that may provide a cozy home for moths and insects.

Their odor is unpleasant to most intruders but not dangerous to people or pets. In this blog post, You will learn how to use mothballs in garage.

Step-by-Step Processes for How to Use Mothballs in Garage

Step 1: Inspect Your Garage

Before implementing a mothball strategy, inspect your garage to assess any existing damage and potential pests’ entry points. Seal any gaps that might provide an entranceway for rodents or insects. Place the mothballs in a cloth bag and secure it with a string or rubber band. This will help contain the strong scent of the mothballs and prevent them from scattering.

Step 2: Place Mothballs in Your Garage

Place the prepared mothballs around your garage, paying particular attention to those places where pests will likely hide or nest. Focus on areas such as corners, under furniture, behind objects stored on shelves, and in any cracks or crevices. Avoid placing the mothballs too close to your stored items, as this could cause them to become damaged.

Place the Prepared Mothballs Around Your Garage

Step 3: Replace Mothballs Regularly

To ensure that the mothball scent remains strong enough to deter pests, it’s important to replace the mothballs regularly. Aim to do this every few weeks. For maximum effect, consider using other deterrents alongside the mothballs. These could include ultrasonic rodent repellers or traps.

Step 4: Handle Mothballs Carefully

When handling and placing mothballs, take care to avoid contact with your skin or eyes. Inhaling their dust-like particles can also irritate them, so use a mask when dealing with them. As mothballs can be harmful if ingested, keeping them away from children and pets is important. Place them in a secure place where they cannot be reached easily.

Step 5: Discard Used Mothballs Carefully

After using mothballs, discard the used ones carefully. Dispose of them by local regulations and make sure to keep them away from animals. Even after implementing a mothball strategy, monitor your garage regularly for any signs of pests.

Step 6: Seek Professional Help if Necessary

If you cannot control the pest problem in your garage, don’t hesitate to contact a professional pest control company. They will be able to provide the necessary treatment and advice.

Following these steps, you can easily use mothballs to keep pests away from your garage and protect your belongings. Doing so will also help prevent any damage pests could cause, saving you time and money in the long run.

Tips for How to Use Mothballs in Garage

Wear Protective Gloves and a Face Mask
  1. Wear protective gloves and a face mask when handling mothballs to avoid contact with skin and inhalation of fumes.
  2. Place the mothballs in an open container, such as a shallow bowl or bucket, inside the garage to protect against dust, debris, and moisture.
  3. Keep any pets or children away from the area where you place mothballs.
  4. Ventilate the area before entering the garage to reduce exposure to fumes and vapors.
  5. Place mothballs in areas not easily accessible by kids or pets, such as more elevated spots, shelves, and corners of the garage.
  6. Change out mothballs every 3-4 months, so they stay potent and effective.
  7. Eradicate the mothballs from the garage once they are no longer needed. Clean and dispose of them properly according to local regulations.

Mothballs can be a great way to protect your belongings against pesky moths and other pests, but it’s important to use them safely to be effective without posing any health risks.

Where is the Best Place to Store Mothballs in a Garage? 

When using mothballs in a garage, the best place to store them is in an airtight container. This will help to keep the strong scent contained and not spread throughout the garage.

Best Place to Store Them is in an Airtight Container

Ensure that any containers have a lid or seal that attaches securely so that no air can escape. Consider storing mothballs inside a plastic, metal, or glass container with a lid or seal, such as an old coffee tin, biscuit jar, shoe box with a tight-fitting lid, or even a zip-sealed bag.

Mothballs should also be stored in areas not directly exposed to the elements, such as sunlight and moisture. Consider placing the container away from open windows or shelves at least one meter above the floor.

Ensure that any food or other items stored in your garage are kept away from mothballs to prevent contamination. It is also important to remember that it is best to keep children and pets away from them when using mothballs. Mothballs can be toxic if ingested or inhaled, so store them safely out of reach.

How Long Should Mothballs Remain in the Garage Before They Need to Be Replaced? 

It is recommended that mothballs remain in the garage for at least three to six months before they need to be replaced. During this time, they will continue to protect for up to two years if left undisturbed. If your garage is infested with moths or other insects, a fresh batch of mothballs may need to be installed every few months.

Mothballs are more effective when used in closed containers rather than spread about the garage floor or shelves. The smell of mothballs is strongest when they are first put into place and dissipates over time, so using them in sealed containers will help to keep the scent strong and ensure that they are working effectively.

When placing mothballs in a container, it is important to ensure that the container is airtight, as this will help ensure that the smell remains contained and does not spread throughout your home. Mothballs in a garage should be placed in high areas, such as shelves or rafters, rather than on the ground.

What is the Best Way to Dispose of Used Mothballs From a Garage?  

Once mothballs have been used in the garage, they must be properly disposed of to avoid potential health risks. The best way to dispose of used mothballs is by wrapping them up tightly in a plastic bag or an air-tight container and disposing of them in the garbage.

It is also important to note that wearing gloves when handling used mothballs is highly recommended. Keeping the bag or container away from living spaces and out of reach of children and pets is also important to avoid any lingering odors.

Another important note is that mothballs rarely kill bugs, so it’s best to contact a pest control professional if you have a bug infestation in your garage. This will ensure that the problem is resolved safely and effectively.

Mothballs Rarely Kill Bugs

When using mothballs in the garage, it is also important to follow all label instructions for use carefully. It is also best to keep all mothballs well out of reach of children and pets to avoid potential health risks.

Are There Any Risks Associated With Using Mothballs in a Garage? 

Using mothballs in a garage can come with certain risks. As mentioned, the main chemical component of mothballs is naphthalene, which has been linked to several health concerns, such as headaches, dizziness, nausea, and respiratory problems when exposed to high levels over a prolonged period.

Additionally, the fumes from the mothballs can build up in an enclosed space, such as a garage, leading to unhealthy levels of naphthalene in the air.

Furthermore, if the mothballs are left exposed, they can be eaten by pets or children and cause serious health problems. It is also important to note that mothballs are combustible and may be a fire hazard in some instances if not used according to safety instructions.

Therefore, it is essential to use mothballs with extreme caution and always follow the manufacturer’s instructions for proper usage. Additionally, if any adverse health effects are experienced from using mothballs in the garage, it is important to seek medical advice as soon as possible.

What is the Best Way to Store Mothballs in a Garage? 

When it comes to using mothballs in the garage, there are a few things to consider. It’s important to properly store and use mothballs to keep pests away without endangering you or your family. Here are some tips for the best way to store mothballs in a garage:

  • Place mothball containers in sealed plastic bags before storing them in the garage. This will prevent them from coming into contact with your family and pets.
  • Place mothballs where pests are likely to enter, such as near cracks or crevices, along baseboards, around windows and doors, and in other areas where pests can gain entry.
  • Make sure to keep mothball containers out of reach of children and pets, as they can be harmful if ingested.
  • If you’re using mothballs to repel rodents, the best way is to scatter them in strategic places around your garage. Place them near entry points, along walls and corners, and anywhere else, pests are likely to enter or hide out.
  • Check mothball containers regularly for signs of wear and tear. Replace them as necessary to ensure they’re still working effectively.
Check Mothball Containers Regularly

Using mothballs in your garage can be an effective way to keep pests away if done correctly. Remember to store mothballs properly and use them safely for the best results.


In conclusion, using mothballs in the garage is a great way to keep unwanted pests away and protect your belongings. It’s important to remember that, while effective, they can be dangerous if not used properly. Be sure to use them according to the instructions on the package and keep them away from children and pets.

With careful application, you can rest assured that your garage will remain free of pests and your belongings will remain safe. I hope this article has been beneficial for learning how to use mothballs in garage. Make Sure the precautionary measures are followed chronologically.

Photo of author

Rick Kelly

I am Rick. I grew up helping my dad with his handyman service. I learned a lot from him about how to fix things, and also about how to work hard and take care of business. These days, I'm still into fixing things- only now, I'm doing it for a living. I'm always looking for new ways to help people grow and develop. That's why I have created this blog to share all my experience and knowledge so that I can help people who are interested in DIY repair.

Leave a Comment