1. Product Overview

The long-filament composite drainage board is a multifunctional geosynthetic material made by bonding a high-strength plastic drainage board with a long-filament geotextile layer. This combination provides excellent drainage, filtration, and soil stabilization. The product is designed to manage water flow efficiently while preventing soil erosion, making it an ideal choice for underground waterproofing, retaining walls, and roof gardens.

2. Product Features

• Integrated Drainage and Filtration: Combines drainage and soil filtration for optimal water management.
• Durable and Strong: Manufactured using high-quality HDPE and long-filament geotextile for enhanced strength and durability.
• Chemical and UV Resistance: Withstands harsh environmental conditions and chemical exposure.
• Lightweight and Flexible: Easy to handle, transport, and install, even in challenging project environments.
• Eco-Friendly Material: Non-toxic and recyclable, ensuring minimal environmental impact.

3. Product Specifications

• Material: HDPE drainage board with long-filament geotextile
• Geotextile Weight: 100gsm to 600gsm (customizable)
• Dimple Height: 8mm to 30mm
• Width: 1m to 3m
• Roll Length: 10m to 50m (customizable)
• Color Options: Black or green (custom colors available)
• Compliance: Meets ISO, ASTM, and international standards for drainage systems

4. Application Areas

• Roof Gardens: Manages water drainage and protects soil layers in green roofing systems.
• Basement Waterproofing: Prevents water seepage and protects underground structures from moisture.
• Retaining Walls: Enhances drainage and reduces hydrostatic pressure behind retaining walls.
• Road and Railway Foundations: Ensures efficient drainage and stabilizes soil layers in infrastructure projects.
• Landscaping and Sports Fields: Controls water flow in parklands, gardens, and sports fields.

5. Installation Guidelines

• Surface Preparation: Ensure a clean and level base surface before installation.
• Placement: Roll out the composite drainage board with the geotextile side facing the soil.
• Overlap: Overlap adjacent sheets by 5cm to 10cm for continuous coverage.
• Fixing: Secure the board using nails, stakes, or adhesive as required.
• Backfilling: Cover with soil or gravel as specified in the project design.
• Inspection: Check for alignment and secure placement before proceeding with further construction.