How to Prevent Rodents from Getting into Your Items in Long-Term Storage

Published on 8/30/2025
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As we head into late summer and early fall 2025 in Missouri, the risk of rodents seeking shelter in storage units increases. These pests can damage your belongings, from furniture to clothing, if left unchecked. United Self Storage is committed to helping you protect your items during long-term storage with practical strategies. Here’s how to keep rodents at bay and ensure your possessions remain safe.

Seal Entry Points

Rodents can squeeze through tiny gaps, so inspect your storage unit for cracks or holes. Use steel wool or caulk to seal these entry points, as rodents can’t chew through metal. Check doors and vents, especially in older facilities, and consider weatherstripping for added protection. This step is crucial as cooler weather drives rodents indoors. For sealing tips, refer to PestWorld’s rodent prevention guide.

Use Proper Containers

Store items in airtight, heavy-duty plastic bins rather than cardboard boxes, which rodents can easily gnaw through. Elevate bins on pallets or shelves to keep them off the floor, reducing access. Wrap fabrics or paper goods in plastic bags before placing them in bins to add an extra layer of defense. This method protects valuables like holiday decorations or clothing during long-term storage.

Eliminate Food Sources

Rodents are attracted to food remnants, so clean all items thoroughly before storing them. Avoid packing snacks or pet food, and dispose of any garbage outside the unit. Use sealed containers for non-perishable items if necessary, and regularly check for spills or crumbs. This precaution minimizes the lure for pests, especially in Missouri’s humid late summer climate.

Add Natural Repellents

Incorporate natural deterrents like peppermint oil or mothballs, which rodents dislike. Place cotton balls soaked in peppermint oil in corners or near entry points, refreshing them monthly. Scatter cedar chips or blocks around the unit, as their scent repels mice. These eco-friendly options are safe for long-term storage and complement professional pest control efforts. Learn more about repellents at The Old Farmer’s Almanac.

Maintain Regular Checks

Even with precautions, periodic inspections are vital. Visit your storage unit every few months to look for signs of rodents—droppings, gnaw marks, or nests—and address them immediately. United Self Storage facilities offer secure environments, but your vigilance ensures long-term protection. Keep a log of visits to track conditions and adjust strategies as needed.

Preventing rodents from invading your long-term storage requires proactive measures, especially as fall approaches in Missouri. By sealing entry points, using proper containers, eliminating food sources, adding repellents, and checking regularly, you can safeguard your belongings. United Self Storage provides the ideal space to implement these tips effectively.

Ready to secure your storage space? Rent your unit today with United Self Storage!