New 20ft Shipping Container (First Trip): Uses, Modifications and Fit-Out Options

What is a 20ft "First Trip" shipping container?

The 20ft "First Trip" shipping container, also called "one trip" or "new first trip", is a standard dry container that was manufactured in a factory and then used to carry a single cargo from its production site to Europe. It therefore has a structural and aesthetic condition very close to new, without the wear marks, deep scratches or corrosion traces found on a used container that has already made many rotations. This is the compromise sought by professionals who want the reliability of new without paying the price of a container straight from the factory that has never been used.

This container is made of Corten steel, a low-alloy steel that resists atmospheric corrosion thanks to the formation of a protective oxide layer on the surface. This feature is essential for equipment intended to remain outdoors for years, exposed to rain, sea air or spray. The structure is based on welded steel profiles, with corrugated walls that ensure the rigidity of the assembly. The floor is made of 28 mm marine plywood, a moisture-resistant glued wood panel capable of supporting heavy loads and frequent traffic. The rear doors are double doors equipped with container locks, those vertical bars and handles that keep the leaves closed and ensure water and dust tightness when the seals are in good condition.

In terms of dimensions, this container complies with ISO standards applicable to 20ft shipping containers. Its standard external dimensions are approximately 6.06 m long, 2.44 m wide and 2.59 m high. The useful internal dimensions are approximately 5.90 m long, 2.35 m wide and 2.39 m high. The internal volume is approximately 33 m³ and the floor area approximately 13.8 m². The tare weight is generally around 2,200 to 2,400 kg depending on the manufacturer, and the maximum payload can reach approximately 28,000 kg, within the limits of certificates and transport rules. These values are common references for a standard 20ft container; they may vary slightly from one manufacturer to another.

Among the equipment on this model is the security lockbox, often called a "lockbox". This is a metal box welded to the doors, which protects the padlock or lock against cutting or break-in attempts. It is a popular feature for storing valuable equipment, as it significantly complicates forced opening of the doors. The container also has forklift pockets, those openings in the base that allow a forklift to lift the whole without damaging the structure. These pockets facilitate on-site handling, particularly when the container must be moved within a yard, warehouse or construction site.

The standard colour offered is RAL 5010 (blue) or RAL 7035 (grey). These shades are common in the shipping container world and blend well into both an industrial environment and a more refined setting, for example for event use or a location visible from the public highway. The factory-applied paint protects the steel and limits corrosion touch-ups. However, over time it is normal for scratches or chips to appear, especially during handling. Simple maintenance, consisting of cleaning the affected areas and applying a suitable anti-rust paint, extends the life of the shell.

Why choose a 20ft rather than a 40ft?

The 20ft container is the most widespread format in global shipping. Its 20-foot length (about 6 metres) corresponds to the reference unit used by shipping lines, which facilitates its transport, stacking and integration into logistics chains. For an individual or a company, this means it is relatively easy to resell, move and have transported by equipped professionals. The 20ft format is also more manoeuvrable than a 40ft: it passes more easily through narrow accesses and can be placed on sites where a 40ft would be too bulky.

In terms of floor area, the 20ft offers about 13.8 m², which corresponds to a small utility room, a single office or a dense storage space. The 40ft doubles this area but imposes heavier handling and placement constraints. For a conversion project, the 20ft is often simpler to manage: less insulation material, fewer cuts, a smaller volume to heat or ventilate. It is therefore an excellent compromise for projects with a controlled budget.

Common uses of the new 20ft container

Secure and durable storage

Storage is the most direct use: construction equipment, tools, furniture, archives, various goods, seasonal equipment. Thanks to its watertightness and rigid structure, it protects the contents from rain, wind and dust, provided the door seals are in good condition and the container is placed stably. For visible storage, for example in a company car park or a commercial area, the aesthetic appearance of the "first trip" is an asset: the container does not give the impression of degraded equipment.

The lockbox strengthens security against opportunistic break-ins. Combined with a quality padlock, it protects stored goods. The forklift pockets allow the loaded container to be moved with a forklift, simplifying internal logistics operations.

Events and temporary stands

Events are another area where this type of container is used. It can be seen as a reception point, box office, cloakroom, utility room, catering stand or temporary storage space at a festival, trade show or sporting event. Its standard colour and new condition allow it to be integrated into a neat visual layout, possibly with graphic customisation. The container can also serve as a conversion base: site office, caretaker's room, workshop, changing rooms, sanitary facilities, break room, studio, sales outlet, etc.

Site office and utility room

On construction sites, the 20ft container frequently serves as an office, meeting room or tool storage room. Its robustness and ability to be locked make it a secure workspace. It can be equipped with lighting, power sockets and ventilation to improve user comfort.

Conversion base for tiny living or workshop

Converting a new container is often simpler than converting a used one, because the structure is sound, with no prior repairs or significant corrosion. Cuts for doors, windows and technical passages are made in a homogeneous material, which limits unpleasant surprises. This allows the creation of a workshop, studio, commercial space, mobile kitchen or any other custom space.

Modifications and fit-outs: where to start?

Check regulatory compliance

Before any conversion, it is essential to check with the local town hall about local planning rules. A prior declaration or building permit may be required depending on the floor area created and the use (housing, office, retail). Safety and accessibility rules also apply if the premises receive the public or workers. Consulting a professional to prepare the file is recommended.

Insulation and thermal comfort

Insulation is often the first step: without insulation, a steel container can become very hot in summer and cold in winter, and condensation can form on the walls. Insulation panels, a light frame and an interior lining create a comfortable space. Moisture-resistant insulation is preferred, such as rock wool or composite panels, ensuring a ventilated air gap is left between the steel and the insulation to prevent condensation.

Ventilation and air treatment

Ventilation is also important to remove moisture and renew the air. Natural ventilation (high and low vents) or mechanical ventilation (MVHR) limits condensation risks and improves comfort. In an occupied container, regular air renewal is essential.

Electricity and plumbing

Electricity must be installed according to current standards, with suitable conduits and correct earthing. It is advisable to use a qualified electrician. For plumbing, if the container is intended for sanitary or kitchen use, water inlets, drains and frost protection must be provided. Conduit and pipe passages can be made in the walls or floor, ensuring watertightness.

Openings: doors, windows and bays

Cuts to add windows or additional doors must be reinforced with welded or bolted metal frames so as not to weaken the structure. A container is self-supporting thanks to its corrugated walls and top and bottom rails; any opening must be compensated by reinforcement. It is recommended to entrust this work to a professional equipped for cutting and welding Corten steel.

Interior linings and finishes

The marine plywood floor can be kept as is or covered with a finish (PVC, tiles, parquet). Walls and ceiling can be lined with wood panels, plasterboard or composite materials. The aim is to create a pleasant atmosphere while protecting the insulation. For outdoor use, the paint can be refreshed or customised.

Points to check before purchase and conversion

When considering the purchase of a shipping container, several points deserve attention. First, check the ISO certification and the CSC plate (Convention for Safe Containers), which certifies that the container is fit for international shipping. This plate is usually on the rear door or on the side. For a "first trip" container, it must be present and in good condition. Next, inspect the floor: the 28 mm marine plywood must be dry, without soft areas, delamination or persistent moisture marks. A sound floor is essential to support heavy loads and avoid mould odours.

Walls and roof should be examined for impacts, deformation or rust spots. Even on a new container, slight handling scratches may exist; they do not compromise the structure, but may require paint touch-up. Doors must open and close without force, with flexible, non-cracked seals. Locks must slide correctly and keep the leaves tight. The lockbox must be solidly welded and aligned with the attachment points. Forklift pockets must be clear and unobstructed. Finally, check that the container is rectangular, without significant twisting: a geometry defect can complicate stacking, fitting accessories or conversion.

Transport and on-site installation

Transporting a 20ft container in France and Europe is governed by rules that depend on the mode of travel. On the road, a 20ft container can be transported on a container truck or a suitable trailer. The gross vehicle weight, dimensions and signage must comply with the Highway Code. For an exceptional convoy, specific permits may be required, but a standard 20ft container generally fits within authorised dimensions. Rail and river transport is also possible, particularly from major ports such as Marseille, where the company Transport Hosni Conteneur is based. The port of Marseille is a major entry point for shipping containers in France, which facilitates supply and logistics.

On-site installation requires minimal preparation. The container must be placed on a flat, stable surface: concrete slab, compacted gravel, concrete blocks or beams. An uneven floor can cause structural deformation, particularly at the corners. It is important to use the four corner lifting points, which are designed to support the weight of the whole. The container can be placed directly on the ground, but a slight elevation (for example with blocks) limits contact with moisture and improves ventilation under the floor. If the container is to remain long-term, it is useful to provide drainage around the area and check that water does not stagnate against the walls.

Maintenance and durability

Maintaining a shipping container is relatively simple. Regular cleaning with clear water, with a mild detergent if necessary, removes dust, salt and debris. Avoid overly powerful pressure washers on seals and weakened painted areas. An annual inspection of sensitive points (corners, bottom of walls, around doors, roof) detects early corrosion. Small scratches can be treated with anti-rust paint of a similar shade. Door seals, if worn, can be replaced; this is a common wear part. Hinges and locks can be lightly lubricated to facilitate handling. Finally, keep the container closed when not accessed, to limit the entry of moisture and pests.

Advantages of "First Trip" compared to used

The 20ft "first trip" container has several advantages over a used container. First, the aesthetic and structural condition is impeccable, which limits refurbishment work. Second, the presence of the lockbox and forklift pockets adds practical features from the outset. Finally, traceability is generally better: a new container has a short and known history, which reassures about its origin and quality. The price of €2,350.00 excl. VAT is consistent with the market for new or first-trip 20ft containers, which often range from €2,000 to €3,000 depending on condition, equipment and availability. Note that this price may vary with market fluctuations, transport costs and demand.

For professionals, this container can be integrated into a storage fleet, used as a conversion base for repetitive modules, or resold after use. For individuals, it represents a durable storage solution, a workshop, a garage or a base for a tiny living project. In all cases, it is recommended to check compliance with local planning and safety rules, and to use professionals for transport and handling. Transport Hosni Conteneur, based in Marseille, can assist customers in choosing, delivering and installing this type of container, drawing on knowledge of the maritime sector and local logistical constraints.

Concrete examples of possible fit-outs

• Site office: insulation, electricity, window, reversible air conditioning, integrated furniture. Useful area of about 13 m², ideal for 2 to 3 people.
• Sales outlet: opening of a glazed facade, counter, LED lighting, signage. The container can be customised with paint in the brand colour.
• Sanitary changing rooms: partitioning, showers, WC, mechanical ventilation. Common solution for construction sites or leisure bases.
• Workshop: reinforced floor, workbench, wall storage, fume extraction. The metal structure allows heavy equipment to be fixed easily.
• Studio or tiny house: complete fit-out with kitchen, shower room and sleeping area. Requires high-performance insulation and compliance with housing rules.

Conclusion

The 20ft "First Trip" shipping container is a reliable piece of equipment, made of Corten steel, with marine plywood floor, lockable doors, lockbox and forklift pockets. It is suitable for storage, events, site offices and conversion. Its new condition and ISO certification make it a sound base for many projects. Before purchase, inspect the structure, floor, doors and equipment, and check transport and installation conditions. With simple maintenance, this container can serve durably, whether for professional or personal use.