Steel structure
The Backbone of Modern Construction: Hardbox's Expertise in Steel Structures
At Hardbox, steel structures form the fundamental backbone of our innovative modular construction and container conversion solutions. Our expertise spans from leveraging the inherent strength of repurposed shipping containers to engineering bespoke steel frames for prefabricated buildings and advanced modular swimming pools. This commitment to robust steel construction ensures unparalleled durability, structural integrity, and design flexibility across all our projects, meeting the most demanding technical specifications and quality standards.
Steel in Container Conversions and Modular Buildings
The very essence of our container conversions lies in the formidable strength of their Corten steel frames. We meticulously transform these robust, weather-resistant structures into highly functional spaces such as homes, offices, restaurants, bars, gyms, and sanitary facilities. Our process involves precise cutting, welding, and reinforcement of the existing steel framework to meet new load-bearing requirements and architectural designs. For instance, in many of our commercial container projects (visualized by the structural elements often seen in images of our completed units), the original steel chassis is expertly integrated with new structural steel components to create expansive, open-plan interiors or multi-story configurations, ensuring long-term stability and safety.
Beyond container repurposing, Hardbox specializes in the fabrication of custom prefabricated modular buildings, where the entire structure is built upon a precisely engineered steel frame. These frames utilize high-grade structural steel, often hot-rolled or cold-formed sections, designed to withstand significant loads and environmental stresses. This approach allows for exceptional precision during off-site manufacturing, leading to faster on-site assembly and reduced construction waste. Our modular units, exemplified by the clean lines and robust construction visible in many of our building projects, integrate these steel frames with advanced insulation materials like PIR panels, ensuring superior thermal performance and energy efficiency. The steel framework provides the necessary rigidity to support large spans, complex architectural features, and the integration of sophisticated building systems.
Steel in Advanced Modular Swimming Pools
Even our state-of-the-art modular swimming pools, whether container-based or prefabricated, rely heavily on expertly engineered steel structures. For our container pools, the steel container itself provides the primary structural shell, which is then meticulously prepared and insulated before the polypropylene basin is integrated. This robust steel outer shell ensures the pool's stability, especially when filled with thousands of liters of water, and allows for the seamless integration of advanced pool technology such as filtration, heating, UV sterilization, and salt electrolysis systems. The steel frame guarantees the long-term integrity of the entire pool system, providing a secure and durable foundation for years of enjoyment.
Engineering Excellence and Quality Assurance
Hardbox's dedication to steel structures is underpinned by rigorous engineering principles and uncompromising quality control. Every steel component, whether part of a repurposed container or a newly fabricated frame, undergoes stringent quality checks, including precise cutting, expert welding, and comprehensive corrosion protection treatments such as galvanization or specialized industrial coatings. Our professional installation teams ensure that all steel elements are assembled with precision, adhering strictly to technical documentation and industry standards. This meticulous approach guarantees that every Hardbox project, from a compact sanitary module to a multi-story commercial complex, stands as a testament to durability, safety, and superior craftsmanship, built on the unyielding strength of steel.
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Configure Your Pool
Design your custom modular pool by Hardbox online.

Pool Configuration Summary
Technical Specifications
External Dimensions | |||
Width: | 6.00 m | Length: | 2.44 m |
Height: | 1.50 m | ||
Basin Dimensions | |||
Width: | 2.25 m | Length: | 4.80 m |
Depth: | 1.20 m | ||
Additional Information | |||
Approx. Pool Weight (Empty): | 3,300 kg | Water Volume: | 12.96 m³ |
Selected Add-ons
- No Counter-Current System
Standard Equipment Included
- PIR Thermal Insulation
- Polypropylene Pool Basin
- Composite Decking Surround
- RGB LED Pool Lighting
- Quartz Sand Filtration System
- Surface Skimmer
- Bottom Drain
- Stainless Steel Internal Ladder
- Standard Chemical Dosing (pH/Redox)
Configure Your Pool

Pool Configuration Summary
Technical Specifications
External Dimensions | |||
Width: | 6.00 m | Length: | 2.44 m |
Height: | 1.50 m | ||
Basin Dimensions | |||
Width: | 2.25 m | Length: | 4.80 m |
Depth: | 1.20 m | ||
Additional Information | |||
Approx. Pool Weight (Empty): | 3,300 kg | Water Volume: | 12.96 m³ |
Selected Add-ons
- No Counter-Current System
Standard Equipment Included
- PIR Thermal Insulation
- Polypropylene Pool Basin
- Composite Decking Surround
- RGB LED Pool Lighting
- Quartz Sand Filtration System
- Surface Skimmer
- Bottom Drain
- Stainless Steel Internal Ladder
- Standard Chemical Dosing (pH/Redox)
Currency
Select Pool Basin Color
Select Pool Length (External)

Compact
6.00 m
Suitable for smaller gardens

Standard
9.00 m
Popular choice for families

Premium
12.00 m
Maximum swimming and relaxation space
Select Basin Layout

Ladder Entry
Internal ladder, maximizes swim space
Best for: Unobstructed swimming area

Classic Steps
Three standard integrated steps
Best for: Simple, easy entry

Steps with Bench
Integrated steps with a side bench
Best for: Relaxation and entry

Full-Width Steps
Steps spanning the entire pool width
Best for: Aesthetic appeal, social area

Lounge Area with Steps
Integrated shallow lounge area and steps
Best for: Relaxation focus, shallow zone
Select Deck Entrance

Integrated Side Steps
Steps built into the pool decking

Deck Level Entry
No extra steps (for specific installs)
Select Optional Add-ons
Pool Cover System
Choose one cover type for heat retention and safety
None
No additional option selected
Thermal Cover with Roller
Floating cover to retain heat, includes roller
Manual Panel Cover (PVC)
Manually operated rigid PVC panel cover
Automatic Panel Cover (PVC)
Remote-controlled rigid PVC panel cover
Counter-Current System
Select a system for swimming in place
No counter-current system
No Counter-Current System
Standard configuration without swim jet

Fitness Counter-Current
BADU JET VOUGE system for recreational swimming

Progress Counter-Current
BADU JET TURBO system for training

Professional Counter-Current
BADU TURBO PRO system for advanced athletes
Requires 9m or 12m pool length
Water Treatment System
Select primary water treatment method

Standard Chemical Dosing (pH/Redox)
Automatic monitoring and control of pH/Redox

Salt Electrolysis System Control
Automatic chlorine generation via salt electrolysis
Wi-Fi Control Module
Remote monitoring & control via WiFi
Deck Safety Railings
Select railing style if needed (mutually exclusive)
None
No additional option selected
Stainless Steel Deck Railing
Modern stainless steel safety barrier
Glass Panel Deck Railing
Safety glass barrier for unobstructed views
Covers & Safety
Options for covering the pool surface and deck area
Winter Protection
Covers designed for off-season protection
Durable cover for off-season pool protection
Water & Heating Systems
Options for water treatment and heating efficiency
Efficient heating for extended swim season