FlexEstack
Containerised Infrastructure Modules for:
- Generators and gensets
- Control gear and switchrooms
- Battery energy storage systems (BESS)
- HV / MV switchgear and substations
- Renewables and utility-scale equipment
DeliversA transportable, scalable environment for rapid global deployment.
FlexEstack is ISO-format infrastructure housing suitable for generators, control gear and other critical equipment. The container form factor unlocks standard global logistics — road, rail and sea — and a transport-rated base means the unit arrives ready to install without re-handling.
Gallery
FlexEstack in the field
Specifications
Indicative engineering data
- Form factor
- ISO 20 ft / 40 ft, high-cube optional
- Base
- Transport-rated integrated base, ISO corner castings
- Ingress rating
- IP54 standard
- Handling
- Crane, side-loader, rail and sea-freight rated
- Access
- Personnel door + optional equipment door
- Design life
- 20+ years external
- Lead time
- Indicative 8–14 weeks
Technical Specifications
Detailed engineering parameters
Structural & Envelope
- Form factor
- ISO 20 ft / 40 ft (high-cube optional)
- ISO dimensions
- 12 192 × 2 438 × 2 896 mm (40 ft HC reference)
- Steel grade
- S355 structural steel
- Floor
- Skid-proof knurled steel, press-formed and welded
- Wall
- Corrugated metal sheet; Class 0 soundproofing
- Insulation
- 75 mm composite / PIR lining
- U-value
- 0.25 W/m²K (typical)
- Corrosion protection
- C5-M marine coating; 240 µm DFT
Acoustic, Fire & Environment
- Acoustic performance
- Selectable 55 / 60 / 65 dB(A) @ 7 m
- Ingress rating
- IP54 standard
- Ventilation
- HVAC or filtered ventilation; motorised vents and baffles optional
- Fire detection
- Smoke and heat detection
- Suppression
- FM-200 gas suppression (optional)
- Design life
- 20+ years external
Access & Internal Fit-out
- Doors
- Personnel door + optional equipment door; 3rd door with window optional
- Safety
- Emergency egress handles on internal doors
- Fuel option
- Internal bulk tanks — 800 L / 2 000 L
- Electrical fit-out
- Internal grids, distribution, lighting and small power (optional)
Logistics & Compliance
- Lifting
- ISO corner castings; crane and side-loader rated
- Reference weight
- Up to 25 t fully equipped
- Transport
- Standard global logistics — road, rail and sea
- Certification
- CSC Certified for international shipping
- Lead time
- Indicative 8–14 weeks
Scope
Standard, optional and what we never do
Standard
Included on every FlexEstack unit.
- ISO-format steel enclosure with corner castings
- Integrated transport-rated base
- Weatherproof envelope, IP54
- Personnel access door
- Engineered cable and service entries
- Lifting and lashing provisions
Optional extras
Specified per project, costed as add-ons.
- HVAC or filtered ventilation package
- Internal lighting, distribution and small power
- Fire detection and suppression
- Equipment-sized access door
- Custom external livery / RAL
Exclusions
Out of scope — owned by other trades.
- Equipment installed inside the module
- Electrical terminations and cabling
- Foundations and ground works (see FlexEfoot)
- Network / fibre commissioning
WE NEVER TERMINATE POWER CABLING — THAT STAYS WITH THE ELECTRICAL CONTRACTOR / INTEGRATOR.
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