AquaCrate 400L Storm Soakaway Crate

Heavy-duty Soakaway Crate For Sustainable Stormwater Management

The AquaCrate 400L Storm Soakaway Crate is a robust, modular solution for managing excess surface water. Designed for infiltration, retention, or attenuation systems, it supports high traffic loads—including HGVs—while promoting natural groundwater recharge. Each unit is made in the UK from recycled polypropylene and meets SuDS compliance standards.

Key Features

• Strong Load Capacity - Supports loads up to 100 tonnes/m²—suitable for everything from landscaping to vehicle access and parking areas.

• Modular and Lightweight - Each crate measures 1000 x 1000 x 400mm and weighs just 16 kg, allowing for easy handling and flexible system design.

• Versatile Use - Works with geotextile wrap for infiltration or an impermeable geomembrane for water storage or attenuation.

• Sustainable and Recyclable - Manufactured from recycled polypropylene and fully recyclable at end of life.

• Made in the UK - Produced to ISO 9001 standards for consistent quality and reliable performance.

Application Options

• Infiltration systems - Use with a non-woven, needle-punched geotextile to allow water through while blocking soil ingress.

• Water retention and attenuation - Wrap with an impermeable liner and geotextile to retain water for controlled release or storage.

Package Options and Geotextile Coverage

Single Package
Crates Included: 1
Total Capacity: 400L
Geotextile Wrap (Optional): 2.25m x 4m (9m²)

Triple Package
Crates Included: 3
Total Capacity: 1200L
Geotextile Wrap (Optional): 2.25m x 7m (15.75m²)

Six-Pack Package
Crates Included: 6
Total Capacity: 2400L
Geotextile Wrap (Optional): 2.25m x 11m (24.75m²)

Geotextile is cut to size for convenient wrapping based on configuration.

Installation Overview

1. Excavate and level the area (minimum 0.5m cover for landscaped, 0.75m for trafficked zones).

2. Lay 75mm sharp sand as a stable base.

3. Assemble crates, joining securely for stability.

4. Wrap units in geotextile (or add impermeable membrane as required).

5. Install assembly and ensure a level position.

6. Backfill and finish with soil or appropriate cover layer.

7. Maintain system using silt traps and optional jetting points.

Technical Specifications

• Dimensions: 1000mm (L) x 1000mm (W) x 400mm (H)

• Capacity: 400L per unit (2.5 units per m³)

• Weight: 16 kg per unit

• Void Ratio: 95.5%

• Compressive Strength: >200 kN/m²

• Lateral Strength: >70 kN/m²