Storing Items In The Summertime

Published on 7/24/2025
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Storing Items In the Summer Time

Summer heat brings more than just discomfort.  It can pose serious risks to various types of possessions.  Most storage units can get significantly hotter than the outdoor temperature.  Prolonged exposure to these conditions can cause damage.


Items Most Vulnerable to Summer Conditions

While all belongings deserve protection, some are particularly susceptible to heat, moisture, and pests:

  • Electronics:  Devices like computers, TVs, and audio equipment can suffer from internal component damage, melting of plastic parts, and corrosion.
  • Wooden Furniture:  Wood expands and contracts with heat and humidity, leading to warping, cracking, and mold growth.
  • Leather Goods:  Leather is prone to drying, cracking, and mildew in fluctuating temperatures and humidity levels.
  • Photographs and Documents:  Paper can yellow, stick, and degrade quickly in hot, humid environments.
  • Artwork:  Paintings, prints, and scuptures can warp, fade, or develop mold in improper storage conditions.
  • Clothing and Fabrics:  These can develop mold, mildew, and odors, especially if stored without proper cleaning and sealing.
  • Musical Instruments:  Instruments composed of wood, glue, and metal are especially sensitive to temperature swings and dampness.
  • Vinyl Records and Media:  Heat can warp and ruin vinyl, CDs, DVDs, and tapes.
  • Appliances:  Moisture can cause internal rust and mildew growth in refrigerators, washing machines, and microwaves.

Preparing Items for Summer Storage

Preparation is critical in safeguarding your belongings.

Clean and Dry Everything

  • Electronics: Remove batteries and clean surfaces, as leftover residue can attract moisure.
  • Furniture:  Wipe down with gentle cleaners, let items air dry thoroughly, and treat wood or leather with appropriate conditioners.
  • Clothing, Bedding, and Fabrics:  Wash and dry all items completely to prevent mold and mildew.

Use Proper Packing Materials

  • Plastic Bins:  Prefer clear, airtight plastic containers over cardboard, which absorbs moisture.
  • Silica Gel Packs:  Place desiccants in boxes to absorb humidity
  • Furniture Covers:  Use breathable cloth rather than plastic wrap, which can trap moisture.

Disassemble and Elevate  

Disassemble large items to reduce stress on joints and allow for better air circulation.  Placing items on pallets or whelving helps keep them off the potentially damp floor.

Protect Against Pests

  • No Food or Scented Items:  Do not store perishables or anything with strong scents that might attract rodents or insects.
  • Pest Barriers:  Use natural deterrents like cedar blocks or commercial pest repellents around the unit's perimeter.


Tips for Storing Specific Items

Electronics: Store in original packaging if possible.  If not, use padded boxes and wrap items in anti-static bubble wrap.  Keep electronics away from unit doors and windows to minimize heat exposure.

Furniture:  Treat wood surfaces and wrap with moving blankets.  For leather, apply leather conditioner and cover with cotton sheets.

Clothing and Fabrics:  Use vacuum-sealed bags for fabrics and store them in airtight bins.  Add silica gel packets to reduce moisture.

Documents and Photos:  Store in archival-quality boxes or sleeves, and keep off the ground in a dry, cool spot within the unit.

Appliances:  Clean and thoroughly dry appliances.  Leave doors slightly ajar to promote air circulation and prevent mold growth.


Conclusion

Understanding the effects of heat and humidity, preparing your belongings carefully, and monitoring their condition can help ensure everything remains safe, dry and undamaged.