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How to Keep Clothes Fresh in Storage Containers

Essential Storage Advice

Storing clothes in a shipping container is a practical and affordable solution, especially for students between terms, homeowners during renovations, or businesses managing seasonal stock. But without the right preparation, clothes can emerge smelling musty, feeling damp, or even damaged by mould and mildew.

To help you avoid that, here’s everything you need to know about how to keep clothes fresh, clean, and in excellent condition while in storage at Portland Self Storage.

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1. Wash Everything Before Storing

It might seem obvious, but don’t skip this step. Dirt, body oils, and food stains can set in permanently over time and attract pests or odours.

  • Wash and dry all clothing thoroughly before packing.

  • Avoid using heavy fabric softeners, they can trap moisture.

  • For delicates or vintage fabrics, consider dry cleaning first.

2. Choose the Right Storage Containers

When it comes to long-term freshness, plastic is better than cardboard. Cardboard boxes can attract moisture, insects, and even mould.

  • Use airtight plastic bins with lids to keep out moisture and pests.
  • Add silica gel packs or moisture absorbers to each box for extra protection.
  • For short-term storage, vacuum-sealed bags are great but avoid them for long-term use as they can damage natural fibres.

3. Don’t Overpack

Cramming clothes together might save space, but it restricts airflow and increases the chances of musty smells.

  • Fold items loosely and don’t overload containers.

  • Use wardrobe boxes with hanging rails for coats, dresses, and suits to preserve shape.

  • Roll T-shirts and knitwear instead of folding to reduce creases.
clothes stored in airtight plastic bins with lids

4. Keep Airflow in Mind

Shipping containers like ours are well ventilated, but inside your boxes, airflow can still be an issue.

  • Leave a little room in each box or bag for air to circulate.
  • Line the bottom of containers with breathable cotton sheets or acid-free tissue paper.

5. Add Natural Deodorisers

Keep your clothes smelling fresh by adding subtle, natural scents.

  • Sachets of lavender, cedar, or activated charcoal work well.
  • Avoid strong-smelling dryer sheets or chemical deodorisers, especially on delicate fabrics.

6. Elevate and Protect

Even in our weatherproof containers, it’s a good habit to keep clothing boxes off the floor using a pallet or shelving unit. This allows for:

  • Improved air circulation
  • Protection in the unlikely event of condensation or spills
  • Easier access and visibility when you need to retrieve items

7. Label and Rotate If Needed

If you’re storing clothing for a few months or planning to swap out seasonal items:

  • Label boxes clearly by item type and season.

  • Create a simple inventory.

  • Try to rotate stock (especially business or retail users) every 6 months.

Bonus Tip: Don’t Store Clothes in Plastic Bags

It’s tempting to use bin bags in a rush, but these trap moisture and can cause mould and mildew, especially in natural fibres. Always opt for breathable or sealable containers.

Whether You’re a Student, Homeowner, or Business – We’ve Got You Covered

At Portland Self Storage, our secure self storage containers in Sheffield are ideal for storing clothes safely, whether for a few weeks or many months.

You’ll get:

  • Daily access from 7am–7pm
  • Secure, weatherproof containers
  • Flexible contracts & no fees until your move-in date
A small black car parked in an outdoor storage facility, surrounded by rows of blue shipping containers on both sides. Trees are visible in the background under a partly cloudy sky.

Ready to Store Your Clothes Safely?

Reserve your storage unit online or get in touch with our team for help choosing the right size for your needs.

📞 Call: 0114 400 0114
 📧 Email: info@portlandselfstorage.co.uk
 🌐 Book Online Today

FAQ: Storing Clothes in Shipping Containers

Can I store clothes in my storage unit long-term?

Yes! As long as they are clean, dry, and properly packed in sealed containers, clothes can stay fresh for months or even years in storage.

We offer optional Protection Cover starting from just £2.50/week. Alternatively, you can use your own insurance.

Both methods are fine. Use wardrobe boxes with rails for hanging garments, or fold them loosely in breathable containers. Avoid overpacking to maintain freshness.

Yes, but we recommend dry cleaning first, using acid-free tissue paper, and storing in garment bags inside sealed containers. Let us know if you need extra advice for high-value clothing.

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