1. Product Overview

Drainage board with water storage is a high-performance geosynthetic product made from high-density polyethylene (HDPE) or polypropylene (PP). Designed with a structured surface featuring dimples or cups, it effectively retains water while providing efficient drainage. Widely used in green roofing systems, landscaping, and underground waterproofing, this product helps control water flow, prevents waterlogging, and protects root systems.

2. Product Features

• Efficient Water Retention and Drainage: Retains water in structured dimples while facilitating efficient excess water drainage.
• Durable and Long-Lasting: Made from HDPE/PP, resistant to chemicals, UV radiation, and mechanical stress.
• Eco-Friendly: Non-toxic and recyclable, reducing environmental impact.
• Lightweight and Easy to Install: Simple to handle and install in various construction scenarios.
• Root Protection: Prevents root penetration into underlying structures, ensuring long-term integrity.

3. Product Specifications

• Material: High-Density Polyethylene (HDPE) or Polypropylene (PP)
• Thickness: 0.8mm to 2.5mm
• Dimple Height: 8mm to 50mm (customizable based on project needs)
• Width: 1m to 3m
• Roll Length: 10m to 50m (customizable)
• Color Options: Black, green, or custom colors
• Compliance: Meets ISO and ASTM geosynthetics standards

4. Application Areas

• Roof Gardens: Facilitates water retention and drainage for green roof systems.
• Landscaping Projects: Controls water flow in parklands, gardens, and sports fields.
• Underground Waterproofing: Protects building foundations, basements, and retaining walls from water damage.
• Road and Railway Drainage: Enhances water management in infrastructure projects.
• Vegetation Protection: Supports plant growth by providing water retention and root protection.

5. Installation Guidelines

• Surface Preparation: Clean and level the base surface before installation.
• Placement: Lay the drainage board with the dimpled side facing upward.
• Overlap: Overlap adjacent sheets by 5cm to 10cm to ensure continuous coverage.
• Filling: Cover the board with soil, gravel, or geotextile as specified in the project design.
• Inspection: Check for alignment and secure placement before proceeding with further construction.