10 Things To Consider When Designing A Shipping Container ...

13, Jan. 2025

 

10 Things To Consider When Designing A Shipping Container ...

Shipping container homes have gained popularity in recent years, emerging as a sustainable, cost-effective, and novel way to create personal living spaces. The repurposing of steel containers into livable homes signifies a recycling triumph, transforming a symbol of global trade into a modular unit for innovative architecture. However, designing and building a shipping container home is not without its challenges. This article provides ten key considerations for those who are venturing into the realm of shipping container home design.

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1. Building Regulations and Permits

Every architectural project begins with an understanding of local building regulations and the acquisition of necessary permits. Shipping container homes are no exception. Some municipalities and jurisdictions have explicit zoning regulations about container homes, while others might view them as unconventional, leading to restrictions or even prohibitions. It is therefore vital to consult local authorities, understand what is permissible, and secure the needed paperwork to avoid any legal complications later on.

2. Shipping Container Selection

Choosing the right shipping container forms the bedrock of your home design project.There is a variety of shipping container dimensions; the most common being 20-foot and 40-foot lengths, with a standard width of 8 feet and a height of either 8.6 feet (standard) or 9.6 feet (high cube). The latter offers more vertical space, which could be desirable for certain designs.

In terms of condition, 'one-trip' containers are generally recommended as they have been used only once and hence have minimal wear and tear. However, even within this category, containers can have dings, dents, or surface rust, so it is crucial to inspect your containers carefully before making a purchase.

3. Insulation

The steel structure of shipping containers is a strong conductor of heat, which can create an uncomfortably hot or cold living space depending on the climate. Hence, insulation is a crucial aspect of the design process. The choice of insulation material can depend on various factors, including your local climate, budget, and personal preference. Common options include spray foam insulation, panel insulation, and eco-friendly choices like wool or cellulose.

4. Preserving Structural Integrity

Shipping containers are designed to carry heavy loads, but the weight is distributed on the corner posts. When containers are modified by cutting openings for doors or windows, or removing walls to join units, their structural integrity can be compromised. Working with an experienced engineer or architect can help ensure your home design maintains the container's structural safety. The professional can guide you on how much steel can be cut away, where additional reinforcements are needed, and more.

5. Laying the Foundation

The foundation supports your shipping container home, preventing it from sinking, tilting, or moving with the natural movement of the earth. The type of foundation used can depend on several factors, including the type of soil, the weight of your structure, local building regulations, and budget. Common choices include slab foundations, pier foundations, and strip foundations. Your architect or builder can guide you on the best choice for your specific situation.

6. Efficient Space Planning

With a standard width of just 8 feet, shipping container homes require smart space planning. Think about how you live and what spaces you need. Open plan designs work well, as do features like multi-purpose furniture, loft beds, or outdoor living spaces. Window and door placements are also crucial for creating sightlines and maintaining a sense of openness.

7. Plumbing and Electrical Systems

Installing plumbing and electrical systems in a shipping container home can be more complex than in a conventional home. Most often, these systems need to be installed before you add insulation and interior walls. The placement of fixtures and appliances should be decided early in the design phase to accommodate plumbing and electrical lines. Employing an experienced professional can help avoid costly mistakes or code violations.

8. Ventilation

An efficient ventilation system is vital in a shipping container home for air quality and to control humidity levels. This can be achieved with a well-designed HVAC system, but also consider using strategically placed windows or vents to promote cross-ventilation. You might also consider ceiling fans, dehumidifiers, or energy recovery ventilators depending on your local climate and the specific needs of your home.

9. Moisture Control and Corrosion Prevention

Steel, the material of shipping containers, is susceptible to rust and corrosion, making moisture control an essential part of your home design. This involves choosing the right type of paint and rust treatment for the exterior and ensuring your home is properly sealed. Additionally, the design of your home should prevent water from pooling around your structure.

10. Sustainable Design

Finally, the very concept of a shipping container home lends itself to sustainability, but there are many additional eco-friendly features you can consider. Solar panels can provide renewable energy, rainwater harvesting systems can supply water for gardening or flushing toilets, and green roofs can provide additional insulation and create habitats for local wildlife. Additionally, choosing energy-efficient appliances and fixtures, using reclaimed materials, and designing your home to take advantage of natural light and heat can all help reduce your carbon footprint and lead to long-term cost savings.

Guidelines For Building the Perfect Shipping Container ...

Shipping containers have been growing in popularity over the last few years, because of benefits such as strength, affordability, durability and eco-friendliness. Building perfect shipping container homes may seem easy in theory, but there are things you need to consider to ensure your home is well built, beautiful and sustainable. We have prepared a list to show you very simple steps you can take, to ensure that your journey to a shipping container house is easy and stress-free.

1. Inspect the Shipping Container Before Buying It

When buying a used shipping container, you may not be able to check it, especially if it is on the other side of the world. You can however ask for pictures and a description of the shipping container. Note that older shipping containers may have rust, several dents and structural problems. 

New shipping containers are expensive but might be worth the investment because they are mostly in good shape. You can also avoid the extra costs of repairing a container that is dented.

The base of your new home will most likely be this container. That's why you should pay attention to the size, material, and structural integrity before purchasing one.

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2. Research Building Regulations in Your Area

Different countries or cities have different rules and regulations for constructing a shipping container home. Make sure you understand the legal information before you start the building process.

Some cities may be against building a shipping container home, while others have restrictions or regulations that must be met.  To ensure that you have a good start, check your local and state building codes.

3. Find the Right Contractor

Getting a good contractor who is experienced in shipping container homes can make the construction process very smooth. They can help you to get the type of container house you want. It is advisable to also deal with one contractor rather than several smaller contractors. That way, project management is easier.

The project cost can be reduced by supervising the work directly and hiring separate contractors for tasks like welding, insulation, plumbing etc. However, coordinating several contractors is a fulltime job on its own. Working with a general contractor brings an extra cost, but it makes the project much easier for you.

4. Make Sure You Pick the Right Insulation

You need to plan for good insulation, since an unfinished steel container house will be too hot during summer and extremely cold in winter. Ask your contractors about insulation ideas, and make sure you insulate the roof and walls. If you are considering a sustainable or a greener alternative, go for sheep wool or add a green rooftop.

The most popular choice for container homes is spray foam insulation, since it also creates a vapor barrier. In addition to insulating your home, you can keep moisture outside.

The one disadvantage of spray foam insulation is having a higher price than insulation panels. Insulation panels offer similar performance to spray foam insulation, but you lose more interior space. For those who are keen on transporting the containers for their dream homes, exploring state to state container moving services is crucial. These services not only ensure the secure relocation of your containers nationwide but also offer comprehensive options suitable for different container types and sizes you plan to utilize in your construction.

5. Provide Protection Against Harmful Chemicals

If you need to buy a used shipping container, understand that they might contain heavy pesticides, which are usually applied to chase away rodents when shipping goods. The paint on these containers may also have dangerous chemicals.

To avoid these, you can either buy a new shipping container or make some adjustments. You can remove the pesticide-infested floor and install your own floor. Foam insulation will protect the interior from harmful paint emissions.

6. Avoid Cutting Your Containers

Every time you cut your shipping container for an extra door or window, you are affecting its structural integrity. The more you cut your container, the more reinforcement will be needed, increasing your budget.

7. Know the Difference between Containers

Note that shipping containers are not the same. Traditional containers are eight-feet tall, while high cube containers have an extra foot. The high cube containers are more expensive, but their extra height is useful when building your home.

8. Plan the Project Carefully

Make sure you have a good idea of where the electrical lines and plumbing pipes will be entering and leaving the home. If you have never purchased a container home before, start simple. Planning will help you and the contractor stick to the initial goal, and it also helps estimate the budget more accurately. Hiring an architect to help you design your home is the best recommendation for the planning stage.

You should plan for the wind if the container home will be located in a windy area, due to the rectangular shape. Strong winds will hit the wall of the container home, causing noise. Consider placing your container home in an area that is shielded from direct winds. Alternatively, planting trees and vegetation around your home is an effective solution, since trees are good windbreakers.

9. Avoid Excessive Welding

Shipping containers must be welded to improve their structure. The main problem is that welding can be very expensive and time-consuming. Work with your contractor to build a container home design that requires minimal welding, without compromising its structural integrity.

10. Make Sure You Have an Extra Budget for Additional Expenses

Understand that finishing the interior and exterior can add costs, even when many people are attracted to shipping container homes because they are affordable. The larger the container house, the more likely you are to incur extra expenses. The extra costs can be attributed mostly to welding, insulating and finishing. Adequate planning and budgeting can help minimize these unexpected costs.

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