Have you ever found yourself battling unwanted animal visitors under your deck? From squirrels and raccoons to snakes and insects, these critters can cause damage, spread diseases, and make your outdoor space less enjoyable. Fortunately, there are several strategies you can employ to keep animals out from under your deck. Let’s delve into some effective methods to help you reclaim your space.
Before we dive into the solutions, it’s crucial to understand that animals are drawn to decks for various reasons. These include seeking shelter, food, or a place to raise their young. By addressing these attractions, we can make our decks less appealing to unwanted guests. Now, let’s explore some practical ways to animal-proof your deck.

Physical Barriers
One of the most effective ways to keep animals out from under your deck is to create a physical barrier. This can be achieved using various materials, ensuring no gaps are left for animals to squeeze through.
Here are two popular methods to create an effective physical barrier:
Hardware Cloth
Hardware cloth, also known as chicken wire, is a durable and flexible material that can be easily shaped to fit the underside of your deck. It’s strong enough to withstand the gnawing of rodents and the scratching of raccoons. To install, simply staple or screw the hardware cloth to the deck’s frame, ensuring it covers all potential entry points.
For added protection, consider using hardware cloth with a smaller mesh size, such as 1/4 inch or 1/2 inch. This will deter even the smallest of critters from entering. Additionally, you can secure the hardware cloth to the ground using stakes or weights to prevent animals from lifting it up.

Solid Barriers
Another option is to use solid barriers, such as plywood or metal sheets, to enclose the entire underside of your deck. This method is particularly useful if you’re dealing with larger animals, as it provides a complete seal, preventing any entry at all.
To install a solid barrier, measure the underside of your deck and cut the material to size. Secure it to the deck’s frame using screws or nails, ensuring a tight fit. For added protection, you can also apply a layer of hardware cloth or chicken wire over the solid barrier, providing an extra layer of security.
Deterrents and Repellents
While physical barriers are the most effective way to keep animals out, deterrents and repellents can be used as additional measures to make your deck less appealing to unwanted visitors.

Here are two popular methods to deter and repel animals from under your deck:
Ultrasonic Repellents
Ultrasonic repellents emit high-pitched sounds that are inaudible to humans but irritating to many animals. These devices can be placed under your deck and plugged into an outdoor power source. They are safe, non-toxic, and can be an effective way to deter rodents, raccoons, and other small animals.
However, it’s essential to note that the effectiveness of ultrasonic repellents can vary depending on the animal species and their sensitivity to the sounds. Additionally, these devices may not be as effective in noisy environments, as the sounds may be drowned out by other noises.
Natural Repellents
If you prefer a more natural approach, there are several substances that can be used to repel animals from under your deck. These include strong-smelling plants, such as garlic, mint, and lavender, as well as certain essential oils, like peppermint and eucalyptus.

To use natural repellents, simply place the plants or essential oils in strategic locations under your deck. You can also create a spray using a mixture of water and essential oils, and apply it to the underside of your deck and surrounding areas. Keep in mind that natural repellents may need to be reapplied frequently, as their effectiveness can diminish over time or with exposure to rain and sunlight.
In addition to these deterrents and repellents, you can also take steps to make your deck less appealing to animals by removing sources of food and water. This includes sealing any gaps or holes in your home’s exterior that may provide access to food sources, as well as removing any standing water from your property that could attract animals.
Preventive Measures
Preventive measures are crucial in keeping animals out from under your deck. By addressing potential entry points and attractions, you can make your deck less appealing to unwanted visitors.
Here are two essential preventive measures to consider:

Seal Entry Points
Animals can squeeze through incredibly small gaps and holes, so it’s essential to seal any potential entry points under your deck. This includes gaps between the deck boards, holes in the frame, and any cracks or crevices in the foundation.
To seal entry points, you can use a variety of materials, such as caulk, foam sealant, or hardware cloth. For larger gaps, you may need to use a combination of materials to ensure a tight seal. Additionally, consider installing weatherstripping around doors and windows to prevent animals from entering your home.
Remove Attractions
As mentioned earlier, animals are drawn to decks for various reasons, such as seeking shelter, food, or a place to raise their young. By removing these attractions, you can make your deck less appealing to unwanted visitors.
To remove attractions, start by trimming back any trees or shrubs that may provide animals with easy access to your deck. Additionally, store any outdoor furniture or equipment in a secure location, such as a shed or garage, to prevent animals from nesting or creating a food source.
If you have pets, ensure that their food and water bowls are not left outside, as this can attract animals to your deck. Finally, regularly clean up any fallen fruits, nuts, or seeds from nearby trees, as these can serve as a food source for animals.
In the battle against unwanted animal visitors, it’s essential to remain proactive and vigilant. Regularly inspect the underside of your deck for any signs of damage or new entry points, and address any issues promptly. By taking a multi-faceted approach that combines physical barriers, deterrents, repellents, and preventive measures, you can successfully keep animals out from under your deck and enjoy your outdoor space in peace.

















