Shipping Container Sauna

Can a shipping container be turned into a sauna?

Yes, a shipping container can be turned into a fully functional and aesthetically pleasing sauna. By modifying the structure and installing heat-safe systems, builders insulate the interior, add vapour barriers, and line the walls with sauna-grade timber for the perfect finish. 

You typically choose from 10 ft, 20 ft, or 40 ft containers, depending on capacity needs. A 20 ft unit often seats 4-6 people and may include a small changing area. The steel shell handles harsh weather, which suits year-round use.

Shipping containers can also be turned into offices, garden rooms, gyms, and much more. 

The benefits of a shipping container sauna

Container saunas come with a number of benefits thanks to versatile container design options and specialised construction techniques:

• Portability and flexibility - A significant benefit of these sauna units is their complete portability. This makes them a highly versatile choice for various users: homeowners anticipating a move, businesses seeking a temporary or "pop-up" wellness offering, or for deployment in remote and off-grid settings.
  
  
• Durability - Shipping containers are built to withstand harsh weather conditions to safely transport cargo. As a result, they are highly durable and last a very long time, even after being converted into saunas.
  
  
• Sustainability benefits - Choosing a repurposed shipping container is an eco-conscious way to minimise waste.
  
  
• Cost-effective - A shipping container conversion offers a more economical and quicker alternative to constructing a permanent, custom-built sauna. This is because the fundamental structure is already present, streamlining the design and construction phases.
  
  
• Space efficient - A compact and self-contained design avoids indoor renovations and won’t take up important and valuable space in your house or commercial property. 
  
  
  

How long does a container sauna last?

A well-built container sauna typically lasts 20 to 30 years, and often longer with consistent upkeep. The steel shell resists wind, rain, and snow, which reduces structural wear compared to wooden builds. 

Your sauna’s lifespan depends on insulation quality, vapour barriers, and ventilation. Proper airflow limits moisture buildup, protecting both the steel frame and the interior wood. Regular sealing of exposed metal and periodic treatment of internal timber also extend service life.

How we build container saunas

Our process for building/converting shipping containers into saunas is as follows:

1. Design and Layout - Define dimensions, interior zones (sauna, changing room, shower), and specific features like bench configuration and heater type.

2. Container Preparation - Execute structural modifications, including precision cutting for window and door apertures.

3. Insulation and Vapor Control- Apply high-performance insulation to all surfaces. Install a high-grade vapor barrier to protect the structure and maximise heat retention.

4. Interior Framing - Construct a secondary internal stud frame over the insulation to provide a secure mounting surface for the finish paneling.

5. Timber Cladding - Line the interior with heat-resistant wood. Install tiered seating at multiple heights to offer different temperature zones.

6. Climate and Power - Integrate strategic intake/exhaust vents for air circulation. Consider electrical for lighting and the heater.

7. Heater Integration - Secure an electric or wood-burning stove, strictly adhering to safety clearances and ventilation requirements for high-heat environments.

8. Final Touches - Complete the build with exterior siding, ambient LED lighting, and an optional deck or cold-plunge area to finalise the retreat experience.
   
   
   

Bespoke container saunas with BCL

For your bespoke container sauna, get in touch with BCL containers for a full managed process and high-quality result. We’ll listen to your needs and design choices to deliver a perfectly tailored solution. 

Get in touch with us today.