Custom 20ft Shipping Container – Insulated w/ Electric & Door – Ready to Go!

$2,850.00

This Custom 20ft Shipping Container is a modified cargo unit featuring factory-installed insulation, a pre-wired electrical system, and a lockable personnel door. Constructed from weather-resistant Corten steel, the container is designed for ground-level placement and provides a controlled interior environment for storage, workspace, or equipment shelter applications.
Key Features

Corten steel body with corrosion-resistant properties

Spray foam insulation applied to interior walls, ceiling, and floor

Pre-installed 120V electrical wiring with sub-panel and outlets

Lockable swing door for personnel entry

Original double cargo doors at one end for large item access

Treated wood flooring resistant to humidity and foot traffic

Integrated ventilation ports to reduce condensation

This custom 20ft shipping container – insulated w/ electric & door – ready to go! arrives as a complete, finished workspace. You simply connect power and start using it immediately. For example, you can use this container as a site office, workshop, break room, or remote workspace without any additional modification. Therefore, this turnkey solution saves you weeks of construction and thousands in contractor costs.

Why Choose a Ready-to-Go Container?

Bare containers require extensive insulation, electrical work, and door installation before becoming usable spaces. In contrast, this custom container arrives with all modifications already complete and professionally installed. Consequently, you can occupy the workspace immediately after delivery – no contractors, no delays, no hidden costs. Moreover, we complete all work in our facility under controlled conditions, ensuring consistent quality . Thus, you gain a professional workspace without any hassle.

Key Features of This Ready-to-Go Container

The spray foam insulation and complete electrical system make this custom container stand out. For instance, we apply 2lb closed-cell spray foam insulation (R-13 minimum) to all interior steel surfaces, preventing condensation and maintaining comfortable temperatures . Similarly, we install a 100A sub-panel with exterior disconnect, LED lighting (4-6 fixtures), and 6-10 duplex 120V outlets . Furthermore, we finish walls with white PVC or plywood panels for a clean, professional appearance . Finally, we fit a steel personnel door with lockset and 2-4 windows with security bars .

Spray Foam Insulation – Year-Round Comfort

Proper insulation transforms a steel container into a comfortable workspace. For example, 2lb closed-cell spray foam creates a continuous thermal envelope that eliminates thermal bridging through the steel walls . Likewise, the foam acts as a vapour barrier, preventing condensation that causes rust and mould . Furthermore, spray foam adds structural rigidity and significantly reduces outside noise . If you work in extreme climates, this insulation package maintains comfortable interior temperatures year-round.

Complete Electrical System – Workspace Ready

The electrical system supports typical office and workshop equipment with ease. For example, the 100A sub-panel includes circuit breakers for lighting, power outlets, and dedicated circuits . Likewise, the exterior disconnect allows safe shutdown from outside the container . Furthermore, we space 6-10 duplex 120V outlets along both walls for computers, chargers, tools, and appliances . If you need additional power for heavy equipment, we can add dedicated 240V circuits.

Professional Interior Finishes

The interior finishes create a comfortable, productive environment. For example, we finish walls with white PVC or plywood panels, providing a clean, bright surface that reflects light well . Similarly, we install commercial-grade vinyl flooring that resists stains, water, and heavy foot traffic . Furthermore, we include a steel personnel door (36″ x 80″) with a professional lockset . Finally, we fit 2-4 dual-paned sliding windows with security bars for natural light and ventilation.

Steel Personnel Door – Secure Access

The personnel door provides secure, convenient access for staff or customers. For example, we install a 36-inch steel man door with a professional lockset and deadbolt . Likewise, the door includes a heavy-duty weather seal to maintain the insulated envelope . Furthermore, we can key the lock to match your other doors for convenience . If you need a separate entrance for staff and customers, we can add an additional door.

20ft Dimensions – Compact but Capacious

The 20ft length provides generous space while fitting on most sites. For example, the internal length of approximately 19ft 4in accommodates desks, chairs, filing cabinets, and a small meeting area . Likewise, the internal width of approximately 7ft 8in-7ft 9in allows comfortable movement . If you need more space for larger teams, consider our 40ft version of this ready-to-go container.

Ready to Go – What “Ready to Go” Means

“Ready to go” means we finish everything before delivery – you do nothing. For example, we insulate, wire, and finish the entire container in our facility . Likewise, we test all systems (lights, outlets, door operation) before dispatch . Furthermore, we include all necessary CSC certification and lifting points . If you need a workspace immediately, this container arrives ready for same-day occupancy.

What’s Included

First, every unit includes the 20ft Corten steel container (new or one-trip condition). Second, we apply 2lb closed-cell spray foam insulation (R-13 minimum) to all interior surfaces. Third, we install a 100A sub-panel with exterior disconnect and circuit breakers. Fourth, we fit 4-6 LED light fixtures and space 6-10 duplex 120V outlets along both walls. Finally, we finish walls with white PVC or plywood panels, install commercial-grade vinyl flooring, fit a steel personnel door with lockset, add 2-4 windows with security bars, provide data/cable pass-through, and include CSC certification and forklift pockets (4).

For instance, you can add a wall-mounted A/C unit for heating and cooling. Likewise, you can add a kitchenette or bathroom facilities. Furthermore, we can add interior partitions for private offices. Contact our team for complete customisation.

Pros and Cons

Pros:

  • Ready to go (fully finished – use immediately after delivery)

  • Spray foam insulation (R-13 minimum, vapour barrier, noise reduction)

  • Complete electrical system (100A panel, LED lights, 6-10 outlets)

  • Professional interior finishes (PVC/plywood walls, vinyl flooring)

  • Steel personnel door with lockset (secure access)

  • 2-4 windows with security bars (natural light, ventilation)

  • CSC certified (valid for intermodal shipping)

  • No contractors, no delays, no hidden costs

Cons:

  • Custom modifications add cost over standard containers

  • Non-high cube (standard height 7ft 10in interior)

  • Electrical system requires site power connection (generator or mains)

  • Requires level, firm ground for installation

Technical Specifications

Specification Value
Container type 20ft Custom Modified Container
Container grade New or one-trip (specify at order)
External length 6,058mm (20ft)
External width 2,438mm (8ft)
External height 2,591mm (8ft 6in – standard height)
Internal length approx. 5,898-5,900mm (19ft 4in)
Internal width approx. 2,330-2,352mm (7ft 8in-7ft 9in)
Internal height approx. 2,390mm (7ft 10in)
Interior floor area approx. 160 sq ft (14.9 m²)
Insulation type 2lb closed-cell spray foam
Insulation R-value R-13 minimum
Wall finish White PVC or plywood panels
Floor finish Commercial-grade vinyl
Electrical panel 100A sub-panel with exterior disconnect
Lighting 4-6 LED fixtures (5000-6000 lumens each)
Outlets 6-10 duplex 120V (spaced along walls)
Data pass-through 1 (cable-ready)
Personnel door Steel (36″ x 80″) with lockset
Windows 2-4 dual-paned sliding with security bars
Tare weight approx. 2,400-2,600 kg (after fit-out)
CSC plate Yes (valid)
Suitable for Static ground storage or intermodal shipping
Lifting points Forklift pockets (4)

Final Verdict

In summary, this custom ready-to-go container delivers a complete, finished workspace that arrives ready for immediate use. As a result, you can establish a professional site office or workshop within hours of delivery, not weeks. Consequently, one site manager ordered this ready-to-go container and had their team working inside within two hours of delivery. Therefore, choose this custom insulated and electrical fit-out if you need a turnkey workspace without any hassle. If you need climate control for year-round comfort, add our A/C unit package. If you require extra height for standing headroom, consider our high cube version. Thus, request a free quote with your specific requirements and delivery postcode today. Return to our modified container home page for other custom configurations.