Why WD-40 Is Your Secret Weapon Against Spiders and Ants

Most people know WD-40 as the go-to fix for squeaky hinges and rusty tools, but did you know it can also help keep pests like spiders and ants at bay? This multi-purpose spray creates a barrier that deters unwanted critters, keeping your home cleaner and more comfortable. Read on to find out how to use WD-40 as an effective and easy pest-repelling trick.

1. Create an Invisible Barrier to Keep Spiders Away

Spiders love to creep into dark corners, windowsills, and door frames, but WD-40 can stop them in their tracks. The spray leaves a slick surface that spiders dislike, making it harder for them to spin webs and settle in. Simply apply a light coat to areas where you often see webs, and watch as your eight-legged visitors find somewhere else to go.

Spider on a can of WD-40.
Photo Credit: kanem87 via Reddit

2. Stop Ant Trails Before They Take Over

Ants rely on scent trails to navigate their way into your home, but WD-40 can disrupt their paths and send them packing. Spraying entry points like windows, doors, and cracks in baseboards prevents ants from establishing a route into your kitchen or pantry. Just be sure to wipe up any excess so surfaces aren’t slippery.

Ants on baseboards.
Photo Credit: Canva Pro

3. Keep Bugs Out of Outdoor Furniture and Playsets

Outdoor furniture and children’s playsets are prime real estate for bugs, especially spiders. A quick application of WD-40 on the underside of chairs, tables, and slides can help prevent infestations. The water-repelling properties also protect against rust, keeping your furniture looking great while keeping pests away.

Backyard with tree and bench.
Photo Credit: Canva Pro

4. Prevent Insect Nesting in Hard-to-Reach Spaces

Have you ever found spiders or other insects hiding in mailbox corners, light fixtures, or under the eaves of your home? A small spritz of WD-40 in these areas can act as a deterrent, making it less likely for bugs to build their nests or webs. This simple trick saves you from frequent cleanups and unwanted surprises.

Inside of a mailbox as someone grabs their mail.
Photo Credit: Canva Pro

5. Protect Your Garbage Cans from Pests

Garbage cans attract all kinds of pests, including ants and other insects looking for an easy meal. Spraying a bit of WD-40 around the lid and base of your bins can keep them from crawling in and turning your trash into their personal buffet. The slick surface and strong scent discourage insects from hanging around.

Green trash cans outside.
Photo Credit: Canva Pro

Related Articles

WD-40 might not be the first thing that comes to mind when you think of pest control, but its effectiveness against spiders and ants is hard to ignore. With just a few sprays in strategic locations, you can create a protective barrier that keeps unwanted guests from settling in. Give this trick a try, and enjoy a home that’s both cleaner and critter-free!