Pennine EnviroCrate – Modular Attenuation & Water Storage System

EnviroCrate is a versatile, modular system designed for underground water storage, attenuation, and infiltration. Manufactured in the UK to ISO 9001 standards, these crates are made from recycled polypropylene and are fully recyclable at end of use.

Applications

• Attenuation tanks for stormwater management
• Infiltration systems for permeable drainage
• Water storage for reuse (e.g., toilets, irrigation)
• Inspection and backjetting chambers
• Roof gardens, sports pitches, and landscaped areas

Advantages

• Assembled and ready to install
• Lightweight units (from 8kg to 21kg)
• No mechanical handling required
• High load-bearing capacity (up to 320+ KN/m²)
• Modular sizes for flexible design
• Reduces flooding and environmental impact
• Supports grey water reuse

Design & Installation

• Crates available in various sizes and strengths
• Requires 75mm sharp sand bedding and protection
• Wrapped in geotextile for infiltration or geomembrane for storage
• Includes inspection chambers, silt traps, and venting options
• Installation clips provided for secure stacking
• Suitable for pedestrian, car, and HGV traffic

EnviroCrate Variations Table