---
title: "20ft Open Top Container"
description: "A 20ft open-top shipping container available in Scotland. Removable soft or hard top containers are ideal for loading overweight items."
url: "https://shippingcontainersofgrangemouth.co.uk/20ft-open-top-container"
date: "2026-05-04T13:21:49+00:00"
language: "en-GB"
---

![Shipping Container Depot](https://shippingcontainersofgrangemouth.co.uk/images/containerimages/scotland_shipping_container14.jpg)

 # 20ft Open Top Shipping Container Dimensions

 ## Specialised Logistics and Cargo Solutions

Shipping Containers of Grangemouth is a premier supplier of specialised intermodal equipment for the industrial, commercial, and engineering sectors. When cargo dimensions or weight constraints prevent loading through standard end doors, businesses frequently **[buy containers](https://shippingcontainersofgrangemouth.co.uk/buy-containers)** designed for top access. For temporary project requirements, Shipping Containers of Grangemouth provides a flexible fleet to **[rent containers/shipping containers](https://shippingcontainersofgrangemouth.co.uk/rent-containers/shipping-containers)** across the Scottish mainland. Every procurement starts with a detailed **[container quote](https://shippingcontainersofgrangemouth.co.uk/container-quote)** to ensure the equipment meets exact payload and site constraints.

Our operations focus on structural integrity and the specific demands of top-loading cargo. Every unit supplied by Shipping Containers of Grangemouth is inspected to ensure it remains wind- and watertight, a technical term meaning it is completely dry inside and sealed against external weather elements. We provide equipment that meets rigorous international safety standards, ensuring heavy payloads are securely handled during transit or on-site storage. For cargo that exceeds standard dimensions, the 20ft open top unit is the primary solution for out-of-gauge loads, which refers to cargo that is too large to fit inside a standard closed container.

  ## Technical Specifications and Measurements

Choosing the correct equipment requires an understanding of precise internal and external measurements. While the **[20ft open top container](https://shippingcontainersofgrangemouth.co.uk/20ft-open-top-container)** shares the same footprint as a standard **[20ft shipping container](https://shippingcontainersofgrangemouth.co.uk/20ft-shipping-container)**, the lack of a permanent steel roof and the addition of a removable header affect internal clearance. Shipping Containers of Grangemouth verifies these figures for all current stock to assist with site layout and transport planning.

 | Description | Metric (m/kg) | Imperial (ft/lb) |
|---|---|---|
| **External Length** | 6.058 m | 20 ft 0 in |
| **External Width** | 2.438 m | 8 ft 0 in |
| **External Height** | 2.591 m | 8 ft 6 in |
| **Internal Length** | 5.898 m | 19 ft 4 in |
| **Internal Width** | 2.352 m | 7 ft 8 in |
| **Internal Height** | 2.348 m | 7 ft 8 in |
| **Roof Opening Length** | 5.490 m | 18 ft 0 in |
| **Roof Opening Width** | 2.210 m | 7 ft 3 in |
| **Tare Weight** | 2,280 kg | 5,027 lb |
| **Maximum Payload** | 28,200 kg | 62,170 lb |
| **Internal Volume** | 32.8 m³ | 1,158 cu ft |

Technical terms define the equipment's weight limits. Tare is the weight of the empty container. The payload is the maximum weight of cargo the container can safely carry. Every unit provided for international transport by Shipping Containers of Grangemouth includes a valid CSC plate. A CSC plate is a safety approval plate required by the International Convention for Safe Containers, signifying the unit is safe for stacking and transport on sea vessels. If your cargo requires even more length, Shipping Containers of Grangemouth also supplies the **[40ft open top container](https://shippingcontainersofgrangemouth.co.uk/40ft-open-top-container)** which offers double the floor space.

  ## Open Top Design and Loading Mechanisms

The 20ft open-top unit is engineered for heavy machinery and bulky cargo that require vertical loading. Shipping Containers of Grangemouth supplies units with two primary roof configurations to ensure equipment is loaded safely and remains protected from the elements during transit.

### Removable Roof Bows and Tarpaulins

Standard open-top containers feature a soft top design. The roof consists of removable steel bows that fit into side rail pockets. These bows provide lateral stability to the container walls. When loading from above via crane, these bows are removed to create an unobstructed opening. Once loaded, the bows are replaced, and a heavy-duty tarpaulin is secured using TIR wires. These wires ensure the cover remains tensioned and tamper-evident, meeting international customs requirements.

### Swing Out Rear Header

A critical feature for logistics is the swing-out rear header located above the cargo doors. This header can be unbolted and swung out of the way, allowing machinery or vehicles to be wheeled or slid into the unit without being obstructed by the top door frame. Shipping Containers of Grangemouth ensures these hinges and locking pins are maintained to industrial standards. This feature is essential for cargo that exceeds the door opening height but fits within the unit's internal dimensions.

### Construction Materials

The walls are made of 14-gauge corrugated Corten steel, a weathering steel alloy designed to resist atmospheric corrosion. The floor is constructed from 28mm thick marine-grade plywood, treated to resist moisture and pests. This flooring is supported by heavy-duty steel cross members, allowing the unit to handle the concentrated weight of heavy machinery or stone blocks. If the cargo exceeds both the height and width limits, Shipping Containers of Grangemouth recommends the **[20ft flat rack container](https://shippingcontainersofgrangemouth.co.uk/20ft-flat-rack-container)**, which has no side walls.

  ## Condition Grades: One-Trip vs Used

Shipping Containers of Grangemouth categorises specialised equipment into specific grades to help clients select the unit that matches their budget and application. The condition of the tarpaulin and the integrity of the roof bows are prioritised during our inspections.

### New Build (One-Trip) Containers

A one-trip container is a unit manufactured in Asia and shipped once to the UK with a single cargo load. These represent the highest quality available. They feature factory-applied paint and minimal cosmetic wear. For businesses requiring maximum longevity or an aesthetically clean unit for a conversion project, these are the preferred choice. These units are found in our **[open top containers for sale](https://shippingcontainersofgrangemouth.co.uk/buy-containers/open-top-container)** inventory.

### Used and IICL Grade Units

Used units have typically spent several years in international shipping. While they show signs of use, such as surface rust or small dents, Shipping Containers of Grangemouth ensures they remain structurally sound. We also supply equipment that meets the IICL standard. IICL refers to the Institute of International Container Lessors, which sets a high standard for the repair of used units. For short-term projects, businesses often **[rent open top containers](https://shippingcontainersofgrangemouth.co.uk/rent-containers/open-top-container)** from our used fleet. All used units are checked for watertight seals and structural safety before dispatch.

We supply used equipment through our **[shipping container sales Grangemouth](https://shippingcontainersofgrangemouth.co.uk/location/central/sales/shipping-container-sales-grangemouth)** department, ensuring every unit is fit for purpose. For those seeking temporary storage or site tools, our **[storage container hire Falkirk](https://shippingcontainersofgrangemouth.co.uk/location/central/rental/storage-container-hire-falkirk)** fleet provides a range of options.

#### Ready to Start Your Project?

Get expert advice on container sales and hire today.

[GET A QUOTE](https://shippingcontainersofgrangemouth.co.uk/container-quote) [0330 0130 636](tel:03300130636)

  ## Site Access and Delivery Requirements

The delivery of a 20ft open top container requires careful site coordination. Shipping Containers of Grangemouth delivers units using HIAB vehicles, which are rigid lorries equipped with an onboard hydraulic crane. The space required for delivery exceeds the container's dimensions.

### Surface Preparation

Units must be placed on level, hard-standing ground. Hardstanding refers to a solid surface, such as concrete, tarmac, or compacted gravel, that supports the weight of the vehicle and container without sinking. If the surface is not level, the container frame may rack, a technical term for a structural twist. Racking prevents the double cargo doors from opening and closing correctly. Shipping Containers of Grangemouth recommends using railway sleepers or concrete pads at the four corner castings to maintain level and provide airflow beneath the unit to prevent floor rot.

### Access and Overhead Constraints

A delivery vehicle for a 20ft unit requires approximately 60ft of straight line space to safely offload. The width of the vehicle and its extended stabilising legs requires a minimum of 10ft of clearance. You must also account for overhead obstructions. HIAB cranes require at least 25ft of vertical clearance to operate the boom arm. Deliveries cannot be performed directly under or near live power lines. Safety regulations require a minimum 20 metre clearance from high voltage cables. If your site has restricted access, please inform our team at **[shipping container sales Glasgow](https://shippingcontainersofgrangemouth.co.uk/location/central/sales/shipping-container-sales-glasgow)** during the enquiry stage.

![Open Top Container](https://shippingcontainersofgrangemouth.co.uk/images/containerimages/Containers-Scotland179.jpg)

  ## Security and Aftercare

The safety of your inventory is a primary concern. Shipping Containers of Grangemouth provides units with integrated security features. While the open top design uses a tarpaulin, the steel side walls and heavy duty doors offer significant protection.

### Security Features

Standard units supplied for storage or shipping feature high-security locking bars. To enhance protection, Shipping Containers of Grangemouth can provide a factory-fitted lockbox. A lockbox is a steel shroud welded to the doors that protects the padlock from physical interference or bolt croppers. For out-of-gauge cargo, ensure the tarpaulin is securely fastened with TIR wire to prevent unauthorised access through the roof opening. We recommend using insurance-rated padlocks for all site storage applications.

### Maintenance Steps

Regular maintenance ensures the unit's longevity. Inspect the tarpaulin roof periodically for tears or abrasions. If damage occurs, use industrial-grade PVC repair kits to maintain the wind and watertight status. Ensure the roof bows are seated correctly in their pockets to prevent water pooling on the cover. We also recommend lubricating the door hinges and the swing-out rear header pins to prevent mechanical seizing. Keeping the unit slightly elevated on sleepers prevents moisture from accumulating under the steel cross members and the marine ply floor.

  #### Can I use an open top container for standard cargo?

Yes, open top units are fully compatible with standard palletised goods. However, because they are more expensive to maintain than a standard **[20ft shipping container](https://shippingcontainersofgrangemouth.co.uk/20ft-shipping-container)**, they are typically reserved for cargo that specifically requires top loading. The internal volume is slightly less due to the roof bow pockets.

#### How do I secure the tarpaulin for international shipping?

The tarpaulin is secured using a TIR wire that passes through eyelets on the tarp and loops on the container frame. This wire must be tightened and sealed with a high-security bolt seal to meet customs requirements. A valid CSC plate is mandatory for any unit leaving the UK via sea or rail transport.

#### Is the tarpaulin roof as secure as a steel roof?

While the tarpaulin is made of heavy-duty reinforced PVC, it does not offer the same physical resistance as a solid steel roof. For cargo requiring maximum security against theft, Shipping Containers of Grangemouth recommends a standard dry box or a hard-top open-top unit, if available. Always use a lockbox for site storage.

#### What happens if my cargo is taller than the container walls?

If your cargo exceeds the 2.348m internal height, it is considered over-height. In these cases, the roof bows cannot be replaced, and the tarpaulin is draped over the cargo. You must notify Shipping Containers of Grangemouth of this when requesting a **[container quote](https://shippingcontainersofgrangemouth.co.uk/container-quote)**, as it affects transport height permits and requires specialised handling.

#### How much does a 20ft open top container weigh?

The empty (tare) weight is approximately 2,280 kg. This figure is slightly higher than a standard box due to the reinforced top rails and the weight of the roof bows. The maximum payload is 28,200 kg. Accurate weight calculations are essential for safe HIAB lifting and road transport.

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