Product Overview
A multi-layer composite system engineered for waterproofing and aggressive root protection. Manufactured via co-extrusion:
Core Layer: Metal foil (Al/Cu, 0.1-0.4mm) - Primary root barrier
Waterproofing Layer: MAH-grafted PE resin (dual-sided) - Hydraulic seal + secondary root resistance
Structural Interface: Non-woven geotextile - Cementitious adhesion layer
Growth Media: Customizable top geocomposite (filtration/storage)
Key Features
Certified Root Resistance
FLL Class A certification (25-year efficacy)
Blocks Ficus and Bambusa species roots
Hydraulic Performance
Water vapor transmission: <0.01 g/m²·24h (EN 1931)
Hydrostatic resistance: 1.5 bar/168h (EN 1928)
Mechanical Strength
Puncture resistance: ≥800 N (EN 14418)
Peel strength: ≥5 N/mm (EN 12316-2)
Chemical Resilience
pH 2-12 stability (ISO 175)
Salt spray resistance: 2000h (ISO 9227)
Installation Integrity
Direct cementitious adhesion (bond ≥1.5 MPa, EN 1542)
Self-sealing damage containment
Layer Functions
| Layer | Composition | Function |
|---|---|---|
| Surface | Geotextile (200-500 g/m²) | Soil retention / Moisture management |
| Waterproofing | MAH-grafted PE (1.2-2.0mm) | Hydraulic seal + root inhibition |
| Barrier Core | Al/Cu foil (0.1-0.4mm) | Primary root block |
| Interface | Non-woven fabric | Cementitious bonding |
Technical Specifications
| Parameter | Value | Standard |
|---|---|---|
| Thermal stability | -40°C to +120°C | EN 1110 |
| Root penetration | 0 mm (Class A) | FLL 2008 |
| Service life | ≥30 years | ISO 15686 |
Applications
Intensive Green Roofs: >150cm soil depth
Infrastructure Protection:
Highway tunnels, railway cuttings
Contaminated Sites:
Brownfield redevelopment
Critical Zones:
Nuclear containment landscapes
Heritage structure preservation
