Can a Steel Hangar be Expanded?
As a supplier of steel hangars, I often get asked whether a steel hangar can be expanded. The short answer is yes, a steel hangar can be expanded, but there are several factors to consider before embarking on such a project. In this blog post, I’ll delve into the various aspects of expanding a steel hangar, including the feasibility, design considerations, and the process involved. Steel Hangar

Feasibility of Expansion
The first step in determining whether a steel hangar can be expanded is to assess its structural integrity. Steel hangars are designed to withstand specific loads and stresses, and any expansion must be carefully planned to ensure that the existing structure can support the additional weight and forces. A structural engineer should be consulted to evaluate the current condition of the hangar and determine if it can be safely expanded.
Another important factor to consider is the available space. Expanding a hangar requires additional land, and it’s essential to ensure that there is enough room to accommodate the new construction. Zoning regulations and building codes must also be taken into account, as they may impose restrictions on the size and location of the expansion.
Design Considerations
Once the feasibility of the expansion has been established, the next step is to develop a design that meets the specific needs of the project. The design should take into account the intended use of the expanded hangar, as well as any future expansion plans. It’s also important to consider the aesthetic appeal of the hangar and ensure that the new construction blends seamlessly with the existing structure.
One of the key design considerations is the type of expansion. There are several options available, including adding on to the existing structure, building a new hangar adjacent to the existing one, or using a modular approach. Each option has its own advantages and disadvantages, and the choice will depend on the specific requirements of the project.
Adding on to the Existing Structure
Adding on to the existing structure is a common option for expanding a steel hangar. This approach involves extending the existing frame and adding additional roofing and siding to create a larger space. The advantage of this option is that it can be a cost-effective way to expand the hangar, as it utilizes the existing structure and foundation. However, it’s important to ensure that the existing structure can support the additional weight and forces, and that the new construction is properly integrated with the existing structure.
Building a New Hangar Adjacent to the Existing One
Building a new hangar adjacent to the existing one is another option for expanding a steel hangar. This approach involves constructing a separate structure that is connected to the existing hangar by a walkway or other means. The advantage of this option is that it provides more flexibility in terms of design and layout, and it can be easier to integrate with the existing infrastructure. However, it can also be more expensive than adding on to the existing structure, as it requires a new foundation and additional construction.
Using a Modular Approach
Using a modular approach is a relatively new option for expanding a steel hangar. This approach involves using prefabricated modules that can be easily assembled on-site to create a larger space. The advantage of this option is that it can be a cost-effective and efficient way to expand the hangar, as it reduces the amount of on-site construction and labor. However, it’s important to ensure that the modules are designed to meet the specific requirements of the project, and that they are properly integrated with the existing structure.
The Expansion Process
Once the design has been finalized, the next step is to begin the expansion process. This typically involves obtaining the necessary permits and approvals from the local authorities, as well as hiring a contractor to perform the construction work. The contractor should have experience in working with steel structures and should be able to provide references and a portfolio of their previous work.
The expansion process typically involves the following steps:
Site Preparation
The first step in the expansion process is to prepare the site for construction. This may involve clearing the land, grading the site, and installing any necessary utilities.
Foundation Construction
The next step is to construct the foundation for the new expansion. This may involve pouring a concrete slab or installing a steel foundation system. The foundation should be designed to support the additional weight and forces of the new construction.
Frame Installation
Once the foundation is in place, the next step is to install the steel frame for the new expansion. This may involve erecting the columns, beams, and trusses, and connecting them to the existing structure.
Roofing and Siding Installation
After the frame is installed, the next step is to install the roofing and siding for the new expansion. This may involve using metal panels or other materials, depending on the design and budget of the project.
Interior Finishing
Once the roofing and siding are installed, the next step is to finish the interior of the new expansion. This may involve installing insulation, drywall, flooring, and other finishes, depending on the intended use of the space.
Final Inspections
Once the construction is complete, the final step is to obtain the necessary inspections and approvals from the local authorities. This may involve a structural inspection, a fire inspection, and other inspections, depending on the requirements of the project.
Conclusion

In conclusion, a steel hangar can be expanded, but it’s important to carefully consider the feasibility, design, and process involved before embarking on such a project. By working with a qualified structural engineer and a reputable contractor, you can ensure that your expansion project is completed safely, efficiently, and within budget.
Steel Warehouse If you’re interested in expanding your steel hangar, I encourage you to contact me to discuss your specific needs and requirements. As a supplier of steel hangars, I have the expertise and experience to help you design and build the perfect expansion for your business. Whether you’re looking to add on to your existing structure, build a new hangar adjacent to the existing one, or use a modular approach, I can provide you with the solutions you need.
References
- American Institute of Steel Construction (AISC). (2016). Specification for Structural Steel Buildings.
- International Building Code (IBC). (2018). International Code Council.
- Steel Joist Institute (SJI). (2016). Steel Joist Design Manual.
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