20FT Detachable Container Offices Portable Office Buildings for Construction Site

Product Description

20FT Detachable Container Offices Portable Office Buildings for Construction Site


 

Detachable Container Office Units for Modular Site Offices

  
K-HOME construction site offices usually use standard 20FT container office units as the basic modules. A single unit can serve as a site office, duty room, or project management office. When more office space is required, several units can be connected side by side or stacked vertically to create a larger modular site office.

These projects usually use a detachable container house structure. The main frames, steel components, wall panels, doors, windows, and related parts are produced in the factory and then delivered to the site for assembly. If a project has different requirements for transportation, structural design, or on-site installation, a flat pack container house can also be used. Both systems allow the number of modules to be adjusted according to the project size and combined with different office layouts.

For example, 30 standard modules can be combined into a two-story office building with a total floor area of about 540 m². This arrangement is suitable for construction project offices, on-site management teams, and larger engineering projects that need centralized office space. The number of modules is not fixed. It mainly depends on the number of users, the required functional areas, and the available site space.

Before the module quantity is confirmed, the floor plan is usually developed around the actual project requirements. Most construction site offices include open office areas and meeting rooms, while some clients also add private offices. Toilets are also common, especially when more staff use the office or the project runs for a longer period. Once the room number and size are confirmed, the internal partitions, door and window positions, and module arrangement can be adjusted accordingly.

With this modular layout, a container office is not limited to the space of a single 20FT unit. Smaller projects can use only a few modules, while larger teams can add more units as the office space grows. For a construction site office that needs separate working areas, this makes it easier to arrange the space around actual use while keeping the advantages of modular construction in production, transportation, and installation.

 

Product Description

The basic information is as follows:

Modular Container Size	5950mm*3000mm*2800mm	Floor	2 stories
Modular Container Number Used	30 sets	Roof	Flat roof
		Total Area	540 square meters
Basic Equipment	Door, Window, air conditioning, Floor, Ceiling, electrical system, etc

If you need other equipment for your own steel construction site office, you can tell us now.



 

20FT Portable Container Office Size and Main Structure

   
The standard K-HOME 20FT portable container office measures 5950 mm*3000 mm*2800 mm per module. This size works well as a standalone office and can also be combined with other units when more space is needed. For a two-story or larger construction site office building, the positions of doors and windows, internal partitions, and module connections can be adjusted to suit the floor plan, while the main structure remains based on the standard steel frame system.

The standard structure uses cold-formed steel components as the main load-bearing frame, while the walls are usually made with 50 mm rock wool sandwich panels. This is a common configuration for K-HOME construction site office projects and can meet basic insulation and fire protection needs. Wall panel specifications are not fixed for every project. They are selected according to the local climate, building standards, and the required level of indoor insulation.

For projects in colder regions such as Russia, winter temperatures make wall insulation especially important. In parts of the Middle East, long periods of high temperatures place greater demands on thermal insulation. Under these extremely cold or hot conditions, some clients choose to upgrade from standard rock wool sandwich panels to PU sandwich panels. The final core material and panel thickness are selected according to local temperatures, the expected service period, and specific project requirements.
 

Product Parameters

 

ITEM	SPECIFICATIONS
Frame	Cold formed 2.2 mm steel profile;  Wind resistance capacity>120km/h;  Seismic resistance capacity > grade 8
Floor	18 mm glass magnesium board covered with Vinyl flooring
Roof	0.5mm galvanized & painted steel sheet 50mm glass wool insulation  0.3mm steel plate ceiling + 0.3 mm steel plate ceiling

 

	Sandwich Panel: 75mm EPS sandwich panel with 0.38 steel plate music shaped on both sides .Wall panel with 0.3mm galvanized steel strip for sealing
	Door And Window: Window Frame: Aluminum Glass: Double glass window, non-transport Window mesh: Movable window mesh, up and down movable Anti-theft net. Door:75mm thick Insulated with anti-fired wood Opening dimensions of 808×2030mm, with a handle lock with 3 keys.  Net opening dimensions: 754 x 1985 mm.
	Installation Tools For your quick and easy installation, we will configure these installation tools for you.

The main steel frame uses 2.2 mm cold-formed steel profiles. Under suitable design and installation conditions, the structure can provide wind resistance above 120 km/h and seismic resistance above Grade 8. Where local building codes or project requirements call for higher structural performance, the steel frame configuration can be adjusted accordingly.

The standard floor uses an 18 mm glass magnesium board with Vinyl flooring. This setup is suitable for daily office use and reduces the amount of flooring work required after the modules arrive on site. Once the main structure is installed, the interior can move into office setup sooner, while the finished floor is also easier to clean and maintain.

The roof consists of a 0.5 mm galvanized and painted steel sheet, 50 mm glass wool insulation, and a 0.3 mm steel plate ceiling. The outer steel sheet provides roof protection, the glass wool layer provides thermal insulation, and the inner steel plate forms the finished ceiling. For projects in hot, cold, or other demanding climates, the roof insulation can be adjusted together with the wall configuration.

The 20FT portable container office uses a standard modular structure, while the final configuration varies according to project conditions. Wall panels, roof insulation, flooring, and other interior materials are selected based on the project location, climate, and office requirements. This gives the modular office enough flexibility to suit different construction environments while keeping the same basic structural system.

 
 

Custom Container Office Layouts for Different Site Requirements

  
K-HOME usually plans the interior layout of a container office around the number of users and the actual needs of the project. Since each construction project has different departments, working arrangements, and site conditions, the required rooms can vary. Before deciding how many modules are needed, we prepare a floor plan based on the client's information and then determine how the 20FT container office units should be combined.

Open office areas and meeting rooms are common in a construction site office. If the project has more managers or separate departments, private offices can also be added to provide more independent working space. Toilets are also commonly included, especially when more staff use the office, the project lasts longer, or public sanitary facilities are not close to the office area.

If a single 20FT module does not provide enough space, two or more units can be connected to create a larger interior. The combined area can remain open for shared office use or be divided into meeting rooms, private offices, and other functional spaces. Door and window positions, electrical points, and toilet locations are adjusted to match the floor plan instead of following a fixed layout.

As the number of modules increases, the layout also needs to balance how each space is used. Open office areas usually need larger continuous spaces, while meeting rooms and private offices need more separation and privacy. Toilet locations must also allow for water supply and drainage connections, so these details are confirmed during the planning stage.

This approach is better suited to construction site office projects that need a customized layout. Smaller projects can use a few modules to create a single-story office area, while larger teams can add more container office units as more space is needed. The final room arrangement and space allocation are based on actual office needs rather than a standard fixed layout.
  
 

Design Drawings

 

 

Two-Story Modular Office Building Design

     
When a construction site needs more office space but has limited ground area, multiple container office units can be stacked to form a two-story modular office building. Compared with a single-story layout, this design provides more usable office space without taking up much more land. It is suitable for construction project offices, engineering management centers, and other sites that need centralized office space.

The second-floor design is not fixed. Different clients have different requirements for appearance, access, and site conditions, so the corridor design can vary. Some projects use enclosed corridors with glass curtain walls. Others use open corridors with canopies and railings to provide convenient access and basic protection.

The stairs and second-floor corridors are not made on site. K-HOME prefabricates the stairs, corridors, railings, and related steel components in the factory according to the final building dimensions and layout. These parts are packed and shipped together with the main modular office units. This helps keep the dimensions and connection points consistent and reduces the amount of steel cutting and fabrication required on site.

The interior layout of a two-story office building is planned together with the overall space arrangement. For example, the first floor can include open office areas, meeting rooms, and toilets, while the second floor can be used for additional offices or more independent management areas. There is no fixed layout. The final arrangement depends on the number of users, department structure, and the client's space requirements.

Before production begins, the module arrangement, stair location, and second-floor corridor design are confirmed together. Once the floor plan and access layout are finalized, the dimensions of the main modules, stairs, and corridors can be matched accordingly, making later loading, transportation, and on-site installation easier to manage.



 

Container Office Insulation for Different Climate Conditions

       
The insulation configuration of a container office should be selected according to the local climate, building standards, and expected period of use. A standard K-HOME container office house usually uses 50 mm rock wool sandwich panels for the walls and 50 mm glass wool for roof insulation. For most construction site offices in normal climate conditions, this configuration can meet basic insulation and fire protection needs.

For projects in more extreme climates, the standard configuration often needs to be adjusted. In colder regions such as Russia, winter temperatures can be very low, and some areas also need to consider roof snow loads. In these conditions, both the insulation performance of the walls and roof and the load-bearing capacity of the roof need to be checked according to local requirements. In parts of the Middle East, long periods of high temperatures are often accompanied by strong winds and sand. This makes wall insulation, door and window sealing, and indoor temperature control more important.

For projects in these environments, K-HOME may recommend upgrading the standard sandwich wall panels to PU sandwich panels to improve thermal insulation. The wall panel thickness, core material, and roof insulation can also be adjusted according to the local temperature range, wind and sand conditions, snow load requirements, and actual period of use instead of applying the same fixed specification to every project.

The material selection for a container office also needs to meet local building requirements. Some projects focus more on fire performance, while others place more emphasis on insulation, heat protection, or structural load capacity. For a construction site office that will be used for a longer period, these requirements are normally confirmed during the design stage before the final wall, roof, and structural configuration is decided.

Standard 50 mm rock wool wall panels and 50 mm glass wool roof insulation are suitable for most regular projects. If the site is exposed to extreme cold, high temperatures, strong winds and sand, or higher snow load requirements, the insulation materials and structural configuration need to be adjusted to suit the actual conditions.
 


 

Shipping and 40HQ Loading for Container Office Projects

A detachable container office uses a knock-down structure. Compared with traditional buildings that require more on-site welding and construction work, this type of modular container house is more suitable for overseas projects and allows better use of space inside a shipping container.

A standard K-HOME detachable container office can usually be loaded at about 11 units per 40HQ. For a construction site office project that requires dozens of modules, this figure can be used as a reference when estimating the number of shipping containers needed. The final loading plan also needs to include stairs, corridors, railings, canopies, and other related components.

For a two-story modular office building, these components are shipped together with the main modules. Stairs, second-floor corridors, railings, and related steel parts are prefabricated in the K-HOME factory and loaded according to the final packing list. If toilets are included, water supply and drainage fittings, electrical accessories, and other installation materials also need to be counted.

For example, 30 standard detachable container office units would take about three 40HQ containers for the main modules. This does not mean that every 30-unit project can be loaded into exactly three 40HQ containers. Stairs, corridors, canopies, toilet fittings, and other customized parts also take up container space, so the final quantity needs to be checked against the complete project configuration.

Before loading, K-HOME arranges the packaging and placement of each group of components according to the production list. Main steel parts, wall panels, and accessories are organized as closely as possible to the installation sequence. During loading, the team also adjusts the arrangement based on the actual space inside the shipping container. This helps improve space use and makes it easier to check and install the components after arrival.

For bulk container office projects, the shipping plan is usually confirmed together with the production schedule. Once the module quantity, related components, and final configuration are confirmed, the required number of 40HQ containers and the loading arrangement can be determined more clearly.
  
 

Packaging & Shipping

 

  

On-Site Installation of a Two-Story Construction Site Office

   
For a two-story modular office building made up of 30 modules, a four-person Chinese installation team with experience in this type of product usually needs about 20 to 25 days to complete the work in China. This timeframe is only for project planning reference. The actual installation period can vary depending on worker experience, site conditions, and local construction practices.

Installation teams in different countries may have different levels of experience with modular container offices, so the same schedule cannot be used for every project. A skilled team that is familiar with the assembly process can usually work more efficiently. If the workers are handling this type of modular structure for the first time, the installation may take longer.

This reference period also assumes that the work can continue smoothly. The foundation needs to be completed in advance, lifting and unloading equipment should be ready for use, and the installation should not be interrupted by prolonged rain, snow, or other severe weather. If site conditions are limited, or the team needs to wait for other work to be completed, the overall schedule may be extended.

Installation usually starts with positioning and connecting the ground-floor container units. The second-floor modules, stairs, and related structures are then installed in sequence. After the main structure is completed, the team continues with the electrical system, water supply and drainage, and the connections between modules until the construction site office is ready for use.

For projects in remote areas, K-HOME usually recommends preparing the foundation, unloading area, lifting equipment, and installation team before the shipment arrives. Better site preparation helps the installation move forward as planned and reduces waiting time after the materials reach the site.
 

Installation Instructions

  
 

20FT Container Office Price and Quotation Details

   
The reference price for a standard K-HOME detachable container office is about USD 2,100 per unit. This figure is mainly for early project budgeting and should not be treated as a fixed price for every order. Container offices are usually customized to suit different project needs, so the final quotation depends on the actual project requirements.

The main factors that affect the price include the structure type of the modular container office, order quantity, material configuration, interior functions, related components, and project standards. Even when the container units are the same size, the final price may still vary if these requirements are different.

For a single unit or a small order, clients can usually start by providing the intended use and basic configuration requirements. For a modular office building made up of dozens of units, the module quantity, number of floors, floor plan, and main project requirements also need to be confirmed. The larger the project, the more important it is to provide complete information at the beginning so the quotation can be prepared more accurately.

Shipping also affects the total project cost. Standard detachable container offices can be packed in batches for transport, but the final number of shipping containers still needs to be confirmed according to the complete packing list. Whether the buyer is an individual, a company, or a project contractor, comparing container office prices should not be limited to the factory price of a single unit. Shipping and project-related components also need to be considered.

For an accurate container office quotation, K-HOME usually needs to confirm the project country, required number of modules, whether the building will be single-story or two-story, the basic floor plan, main material requirements, and destination port. Our sales manager will review these details and then provide the final product price and loading plan.

A reference price of about USD 2,100 per standard unit can be used as a starting point for early budgeting, while the final quotation is based on the confirmed project configuration. This helps buyers plan the initial budget more clearly and avoids relying on a fixed price before the design and specifications are confirmed.


 

Company Profile

 

K-HOME Container Office Manufacturing and Project Support

K-HOME has been manufacturing prefabricated buildings and steel structure products since 2007. The factory is located in Xinxiang, Henan, covers about 100,000 m², and has around 260 employees. Its regular production includes container houses, sandwich panels, steel components, and related parts used in container office projects.

For a modular office building, each module needs to connect properly with the others during assembly. Steel frames, wall panels, doors, windows, and other components are produced according to the confirmed drawings and specifications. Before shipment, the dimensions, quantities, and matching parts are checked to reduce problems caused by incorrect or mismatched components during installation.
 
For larger orders, the different parts also need to be organized carefully. Main structural frames, connectors, electrical parts, and water supply and drainage components are sorted according to the project list so that they match the correct office units. This is especially important for a two-story or multi-module construction site office, where different modules and related parts need to work together during assembly.

K-HOME can also provide installation drawings and related technical documents for overseas projects. These documents help local installation teams understand how the container house modules connect and the basic installation sequence. If questions arise during installation about structural connections or related components, they can be checked against the drawings and actual site conditions.

From a standard 20ft container office to a larger modular site office, adding more modules is only part of the project. The drawings, production specifications, and component lists all need to match. When these details are confirmed from the beginning, later installation and use can proceed more smoothly.



 

FAQ

 

Q: Can you accept custom service and personalized design?
A: Yes, our professional engineering team can make a drawing by following customers' requirements.

Q: How to pay?
A: T/T will be more appreciated. 30% deposit before production,70% balance before loading.

Q: Do you offer service for installation?
A: We will give detailed installation drawings and video info for free. And we could send engineers as installation director even a team.