NEPTUNE 500
ATTENUATION CRATE
High-performance stormwater attenuation system for SuDS applications.
High Strength
Engineered to support HGV loading and heavy applications.
Fast Installation
XL format reduces unit count and installation time on site.
95% Void Ratio
Maximises storage capacity for efficient stormwater management.
NEPTUNE 500 Attenuation Crate
The Neptune XL Attenuation Crate is a modular, high-strength stormwater attenuation system designed for use in SuDS-complaint drainage schemes. Its XL format enables rapid installation while maintaining excellent structural performance, suitable for both trafficked and non-trafficked area.
| Dimensions | 1.0m x 1.0m x 0.5m (2 unite per m2) |
| Storage Volume | 500 litres (475 litres actual storage @ 95% void ratio) |
| Unit Weight | 25.4 kg per unit |
| Void Ratio | 95% |
| Compressive Strength | 450 kN/m2 (Vertical) / 95 kN/m2 (Lateral) |
| Maximum Installation Depth | 4.5 m (AOF 38°) |
TYPICAL APPLICATIONS
Car Parks & Service Yards
Residential Developments
Commercial Developments
Infrastructure Projects
Sustainable Drainage Systems (SuDS)
Looking for a stormwater solution that delivers performance, efficiency, and reliability?
Neptune Crates provide the ideal choice for engineers, developers, contractors, and homeowners seeking robust, future-proof drainage systems.
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Company No. 11750319 | VAT Reg. 313255143