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How to Inspect a Shipping Container: 21-Point Checklist

Writer's picture: JamesJames

Avoid costly mistakes when buying a shipping container with our professional inspection guide. Whether you're considering a new or used container, proper inspection is crucial for ensuring you get exactly what you're paying for.

According to the Institute of International Container Lessors (IICL), over 25% of used containers have issues that could affect their functionality. This guide will help you identify potential problems before making your purchase.


inspect shipping container

Pre-Inspection Preparation

Required Tools

  1. Basic Equipment

    • Flashlight (preferably LED)

    • Tape measure

    • Mirror on extending pole

    • Camera for documentation

    • Moisture meter

  2. Safety Equipment

    • Work gloves

    • Safety boots

    • Hard hat when required

    • Face mask for interior inspection

  3. Documentation Tools

    • Inspection checklist (printable version below)

    • Notepad or digital device

    • Container specification guide

Best Time for Inspection

  • Morning or early afternoon for best light

  • Clear weather conditions preferred

  • Allow minimum 30-45 minutes per container

  • Schedule during daylight hours

Exterior Inspection Points

1. Container Identification

  • Verify ISO number matches documentation

  • Check CSC plate validity

  • Confirm manufacturer details

  • Document build date

  • Note any IICL markings

2. Wall Panel Assessment

  • Check for deep dents (over 19mm)

  • Look for rust patches

  • Identify repair patches

  • Examine welding quality

  • Verify panel straightness

3. Door Functionality

  • Test smooth operation

  • Check rubber seals integrity

  • Verify locking mechanisms

  • Examine hinges condition

  • Test handle operation

4. Structural Components

  • Inspect corner posts

  • Check top and bottom rails

  • Examine cross members

  • Verify gusset integrity

  • Assess overall frame alignment

5. Roof Condition

  • Look for water pooling areas

  • Check for rust spots

  • Identify repair patches

  • Examine corner integrity

  • Verify no light penetration

Interior Inspection Points

6. Floor Assessment

  • Check for soft spots

  • Examine cross member condition

  • Look for water damage

  • Test weight-bearing capacity

  • Verify no daylight visible

7. Wall Integrity

  • Check for holes or punctures

  • Look for water stains

  • Examine interior coating

  • Verify panel joints

  • Test wall strength

8. Ceiling Inspection

  • Look for water marks

  • Check ventilation function

  • Examine interior height

  • Verify insulation if applicable

  • Test for condensation issues

9. Container Light Test

Perform the standard light test:

  1. Close all doors

  2. Stand inside container

  3. Look for light penetration

  4. Mark any visible spots

  5. Document findings

10. Odor Assessment

  • Check for chemical smells

  • Identify mold odors

  • Note unusual scents

  • Document persistent odors

  • Verify ventilation effectiveness

Critical Areas Checklist

11. Door Seals and Gaskets

  • Check rubber condition

  • Test seal compression

  • Verify complete closure

  • Examine gasket attachment

  • Test weather resistance

12. Corner Fittings

  • Check for damage

  • Verify ISO standards

  • Test lifting points

  • Examine welding quality

  • Confirm measurements

13. Locking Mechanisms

  • Test all moving parts

  • Check for rust

  • Verify smooth operation

  • Examine handle condition

  • Test security features

Common Red Flags

14. Major Rust Indicators

  • Deep rust penetration

  • Flaking metal

  • Rust holes

  • Structural rust damage

  • Recent rust treatment

15. Structural Damage Signs

  • Corner post damage

  • Rail deformation

  • Floor weakness

  • Wall bulging

  • Roof sagging

Documentation Verification

16. Required Documents

  • CSC plate details

  • Ownership proof

  • Maintenance records

  • Repair history

  • Warranty information

17. Testing Procedures

  1. Water Tightness Test

    • Spray test all seams

    • Check door seals

    • Verify roof integrity

    • Document any leaks

    • Test drain holes

  2. Floor Strength Test

    • Check load capacity

    • Test cross members

    • Verify corner support

    • Document weak spots

    • Load test if possible

After Inspection Steps

18. Documentation Process

  • Photograph all issues

  • Complete inspection report

  • Document measurements

  • Record test results

  • Note recommendations

19. Negotiation Points

  • List required repairs

  • Estimate repair costs

  • Note value impacts

  • Document deal breakers

  • Prepare price adjustments

20. Final Verification

  • Review all findings

  • Verify documentation

  • Check measurements

  • Confirm condition grade

  • Update inspection report

21. Decision Making

  • Pass/Fail determination

  • Required repairs list

  • Cost implications

  • Suitability assessment

  • Recommendation summary

Expert Tips

When to Walk Away

  • Severe structural damage

  • Extensive rust problems

  • Failed water test

  • Missing documentation

  • Safety concerns

Negotiation Strategies

  • Document all issues

  • Get repair quotes

  • Know market values

  • Understand grades

  • Consider alternatives

Additional Resources

  • [Download Our Printable Inspection Checklist]

  • [Schedule Professional Inspection]

  • [Get Expert Consultation]

For more detailed information about container pricing and sizes, visit our Container Sizes and Prices Guide.

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