A storage container is a great asset for a business owner, whether you own a construction company, restaurant, retail store, or anything in between. Not only can they be used for storage, but containers can even be converted into office space or pop-up restaurants, creating versatility and flexibility for your business. This can help save you time and money and make running your business easier.

While storage containers can be used for a variety of things, there are some things you should never keep in one to protect both your belongings and the storage container, as well as others who have access to the container and the surrounding property.

Here are the top five things to avoid storing in a storage container.

1. Hazardous or Toxic Materials

Storage containers should never be used to hold hazardous, flammable, or chemically reactive materials. Many business owners underestimate how common hazardous substances are. Even everyday items can become dangerous in enclosed spaces, especially when exposed to heat.

Avoid storing:

• Gasoline or fuel containers (even empty ones)

• Cleaning chemicals containing alcohol or solvents

• Paint, paint thinner, or industrial coatings

• Fertilizers and pesticides

• Corrosive acids

• Kerosene

• Toxic waste

• Medical or chemical disposal materials

• Flammable liquids of any kind

Standard containers are not ventilated for chemical storage. Vapors can build up and create serious fire, health, or explosion risks.

2. Explosives or Weapons

Anything capable of ignition or detonation should never be stored inside a portable container.

Storage containers are not climate controlled. Interior temperatures can rise significantly during warm weather, creating unstable conditions for sensitive materials.

Do not store:

• Fireworks

• Ammunition

• Firearms

• Explosive materials

• Pressurized canisters

Heat expansion and trapped vapors can quickly turn these items into a hazard. Improper storage may also violate local safety regulations or insurance policies.

3. Perishable Goods

Unless your storage container is designed specifically for holding perishable goods, such as installing proper refrigeration, avoid storing anything like this. Doing so will lead to mold, bugs, and other nasty things that you’d probably rather avoid. It will also most likely cause your perishable goods to become unusable quickly. This includes fresh and packaged food, animal food, and even flowers.

If the container is designed for perishable items, be sure they are securely packaged and stored appropriately. If you want to buy a storage container for use with perishable goods, contact your local storage container company.

4. Anything Alive

Storage containers are never safe for living things.

They lack airflow, temperature control, and emergency access. Even brief confinement can lead to injury, illness, or death.

Do not use containers to hold:

• Pets

• Livestock

• Houseplants

• Temporary shelter for workers

• Any living organism

Beyond safety risks, living materials can introduce moisture, pests, and long-term contamination inside the container.

 5. Expensive or Priceless Items

If an item is irreplaceable, don’t store it in a storage container. These containers are not climate controlled. This factor increases the chances of damage from humidity, mold, or extreme temperatures. Delicate items, like antiques, also don’t do well in extreme temperatures. This includes paperwork, leather goods, fabrics, and artwork. Be sure to invest in some comprehensive safety features to make sure your container remains locked at all times when not in use. This is the best way to protect items in your container. Otherwise, avoid storing things that have extremely high value, whether financial or sentimental.

Safe Storage Starts with the Right Container

Portable containers are excellent for tools, equipment, construction materials, retail inventory, and general business storage. When used properly, they provide affordable, flexible, and secure space right at your jobsite. If you’re unsure whether a container is appropriate for your storage needs, it’s best to ask an expert before loading hazardous or sensitive materials.

Frequently Asked Questions About Storage Containers

Can I store chemicals in a portable storage container?

No. Standard portable storage containers are not designed for hazardous or chemical storage. Flammable liquids, solvents, corrosive materials, and toxic substances can create fire hazards and health risks in enclosed spaces. Specialized hazardous material storage requires regulated ventilation and containment systems.

Are storage containers climate controlled?

Most standard on-site storage containers are not climate controlled. Interior temperatures can rise or fall with outdoor weather conditions. Extreme heat, cold, and humidity can damage sensitive materials such as electronics, paperwork, artwork, and fabrics. Climate-sensitive items should be stored in temperature-controlled facilities.

Can I store food in a storage container?

Only if the container is specifically designed for refrigeration. Regular storage containers are not safe for food or organic materials. Storing food can attract pests, create mold, and contaminate the interior of the container.

Is it legal to store weapons or ammunition in a storage container?

Local laws vary, but storing firearms, ammunition, or explosives in a portable container can violate safety regulations and insurance policies. Containers are not built to safely manage heat exposure or ignition risks. Always check local regulations and avoid storing explosive materials on job sites.

Can someone live or work inside a storage container?

Standard storage containers are not safe for human or animal occupancy. They lack ventilation, emergency exits, insulation, and temperature control. Containers can be converted into offices or workspaces, but only after proper modification and compliance with building and safety codes.

What items are safe to store in a storage container?

Portable containers are ideal for:

• Tools and equipment

• Construction materials

• Business inventory

• Seasonal retail stock

• Furniture

• Non-hazardous supplies

Anything durable, dry, and non-flammable is generally safe for storage.

How secure are on-site storage containers?

High-quality storage containers are built from reinforced steel and designed to resist tampering. Security can be improved with heavy-duty locks, lock boxes, and proper placement on your property. While containers are secure, extremely valuable or irreplaceable items should still be stored in climate-controlled, monitored facilities.

How do I know what size container I need?

Container size depends on what you’re storing and how often you need access. A storage container provider can help you estimate the right dimensions based on equipment, inventory volume, and jobsite layout.

Contact Your Local Storage Container Company

Storage On-Site, LLC is your local provider of portable, on-site storage containers and trailers. Whether you need to rent or buy a container in Indianapolis or the surrounding areas, our experts can help you choose the best one for your needs, and have it quickly delivered directly to your site.

Contact us today at 317-358-0358 or fill out our online contact form and we will be in touch soon.