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Used Sea Cans: Complete Buyer's Guide For Storage Containers

Writer's picture: JamesJames

Updated: 2 days ago

Need used sea cans also known as shipping containers but not sure where to start in order to get one? You're in the right place. because our team at shipping containers on sale does the heavy lifting in sourcing and offering used Sea cans for sale at a fraction of the cost of new units. This comprehensive guide will walk you through everything you need to know about used storage containers to make an informed purchase.



used sea cans


What are Used Sea Cans?

Used Sea cans are retired shipping containers that have been repurposed for storage, homes and other uses. These sturdy steel boxes were originally designed to transport goods across oceans, making them incredibly durable and weather-resistant.

What Makes Sea Cans Special

They're:

  • Built to withstand harsh ocean conditions

  • Made from heavy-duty corrugated steel

  • Designed to be completely weatherproof

  • Easy to transport and relocate

  • Secure and lockable

Think of it as a ready-made steel building that you can place on your property. Unlike traditional storage buildings that need construction.


Why Are They Called "Sea Cans"?

It's a nickname that stuck because these containers spent much of their early life at sea. Some people also call them:

  • Shipping containers (their formal name)

  • Storage containers (what many use them for now)

  • Conex boxes (an old military term)


Understanding Sea Can Sizes

20-Foot Container

  • Storage space: 1,150 cubic feet

  • Floor space: 150 square feet

  • Perfect for: Home storage, small business inventory, workshop space

  • Typical contents: Furniture from 2-3 rooms, small equipment, workshop tools

40-Foot Container

  • Storage space: 2,350 cubic feet

  • Floor space: 305 square feet

  • Perfect for: Business storage, large equipment, commercial use

  • Typical contents: Commercial inventory, large machinery, contents of a 3-4 bedroom house

High-Cube Options

  • Extra height: Additional 1 foot (9'6" instead of 8'6")

  • Better for: Tall equipment, conversion projects, workshop space

  • Worth considering when: You need vertical storage or plan to convert the container


Why Choose a Used Sea Can?

Cost Benefits

New sea cans can cost $5,000-$8,000, while used ones typically range from:

  • Grade A (Best condition): $2,000-$3,000

  • Grade B (Good condition): $1,500-$2,000

  • Grade C (Fair condition): $1,000-$1,500

Practical Advantages

  1. Instant Setup

    • Arrives ready to use

    • No construction needed

    • Can be relocated if needed

  2. Weather Protection

    • Designed for ocean transport

    • Protects against rain, snow, and wind

    • Keeps contents dry and secure

  3. Security

    • Heavy-duty steel construction

    • Commercial-grade locking system

    • Theft-resistant design


How to Choose the Right Used Sea Can

Grade A (Premium)

Best for:

  • Long-term storage

  • Conversion projects

  • Visible locations

  • Storing sensitive items

Features:

  • Minimal wear

  • No rust issues

  • Perfect seals

  • Good paint condition

Grade B (Standard)

Best for:

  • General storage

  • Work sites

  • Budget-conscious buyers

  • Temporary solutions

Features:

  • Minor cosmetic issues

  • Some surface rust

  • Good working condition

  • Weather-tight

Grade C (Economy)

Best for:

  • Basic storage needs

  • Short-term use

  • Hidden locations

  • Tight budgets

Features:

  • Visible wear

  • More rust present

  • May need minor repairs

  • Still functional


Essential Inspection Points

Structure Check

Look for:

  • Straight, undamaged walls

  • Solid corner posts

  • Even floor surface

  • Good roof condition

Weather Protection

Verify:

  • Door seal condition

  • No light visible when closed

  • Working drain holes

  • No major rust spots

Functionality Test

Check:

  • Door operation

  • Lock mechanisms

  • Floor strength

  • Overall stability

Making Your Purchase

Steps to Follow

  1. Determine your needs

    • Size required

    • Intended use

    • Budget range

    • Desired condition

  2. Research suppliers

    • Check reviews

    • Compare prices

    • Verify warranties

    • Understand delivery options

  3. Inspect before buying

    • Visit in person

    • Check all points above

    • Document any issues

    • Discuss repairs needed

Site Preparation

Before Delivery

  1. Ground requirements

    • Level surface

    • Solid foundation

    • Good drainage

    • Easy access

  2. Legal considerations

    • Check local rules

    • Get needed permits

    • Verify placement rules

    • Understand restrictions

Maintenance Requirements

Regular Care

  • Annual inspection

  • Keep doors lubricated

  • Clear drainage holes

  • Check for leaks

  • Address rust quickly

Long-term Protection

  • Paint as needed

  • Fix small issues promptly

  • Keep area clean

  • Maintain good airflow

Common Warning Signs

Avoid containers with:

  • Heavy rust damage

  • Broken door seals

  • Bent frame parts

  • Major dents

  • Water damage signs

  • Missing documentation

Conclusion

A used sea can can be an excellent investment when you know what to look for. Focus on finding the right balance of condition and price for your needs, and always inspect carefully before purchasing.

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