Our Proven Process for Building the Strongest Shipping Container Pools in the USA
At Midwest Container Pools, our philosophy is simple:
Every container pool should be engineered to perfection.
We could do everything ourselves, but we believe the best results come from letting true experts lead each stage of the build. This approach gives our customers complete confidence that their investment is built by specialists—not generalists.
Step 1: Certified Metal Fabrication & Welding
Every week, our shipping containers are delivered to a trusted local welding and fabrication shop—the same shop that builds multimillion-dollar asphalt and soil-reclamation machinery used worldwide.
Every cut, weld, and reinforcement is completed by certified welders, ensuring unmatched consistency from one unit to the next. This creates a structurally sound foundation for your future shipping container swimming pool.
Step 2: Custom Fiberglass Insert — Built for Strength & Longevity
This was one of the biggest breakthroughs for Midwest Container Pools.
We shut down operations for over a year to find the right partner capable of building a custom mold at this scale. After extensive testing, we partnered with one of the leading fiberglass manufacturers in the USA.
- All fiberglass shells are produced in South Carolina
- They are shipped in groups of four to reduce freight cost
- Each insert is engineered to eliminate rust, peeling, cracking, and liner failure
This fiberglass system is a major reason our pools last decades longer than epoxy-coated container pools.
Step 3: High-Density Closed-Cell Foam Insulation
Between the fiberglass shell and the steel container wall is a 1.5–2 inch void—the perfect space for a high-performance insulation system.
Our sister company, Spray On Systems LLC, fills this void with BASF closed-cell foam, delivering:
- Superior structural support
- Industry-leading heat retention
- Energy-efficient year-round heating
- The ability to heat your pool close to spa temperatures
This is how our pools become fully insulated container pools, unlike anything else offered in the USA.
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Why Fiberglass?
While there are various types of liners and coatings that can be used to seal the interior of a shipping container pool, fiberglass inserts are often considered a superior option compared to epoxy coatings for a few reasons:
- Durability: Fiberglass is known for its high strength-to-weight ratio, making it a durable and long-lasting material. Fiberglass inserts are resistant to cracking, fading, and discoloration, which means they require less maintenance over time than an epoxy coating.
- Flexibility: Shipping container pools can experience movement due to changes in temperature and humidity, which can cause the metal to expand and contract. A fiberglass insert is able to flex and move with the container, which reduces the risk of cracking or peeling that can occur with an epoxy coating.
- Aesthetics: Fiberglass inserts can be molded into various shapes and sizes, which means they can be custom-designed to fit the specific dimensions of a shipping container pool. Additionally, fiberglass inserts can be finished with a variety of colors and patterns, which allows for more design flexibility and customization options than an epoxy coating.
- Installation: While epoxy coatings can be applied to a shipping container pool relatively quickly, the process requires specialized equipment and can be difficult to do correctly. On the other hand, installing a fiberglass insert typically requires less specialized equipment and can be done more quickly and easily by a professional installer.
A shipping container pool with a fiberglass insert as a liner is generally considered a better option than one using an epoxy coating because of its durability, flexibility, aesthetic options, and ease of installation. However, it's important to consider other factors such as cost, maintenance, and climate when deciding which type of liner or coating to use for your shipping container pool.