
The material cost for geomembranes (impermeable liners) typically ranges from $0.28 to $3.00 per square foot (approximately 3.00 to 32.00 RMB per square meter).
Based on industry analysis and manufacturer data (such as BPM Geosynthetics and GEOSINCERE), specific costs depend on material, thickness, and project scale:
1. By thickness and specification (using HDPE—High-Density Polyethylene—as an example)
• Thin geomembranes (0.5mm / 20 mil):
• Cost: Approx. $0.14 – $0.62 per square foot.
• Applications: Small landscape ponds, low-pressure irrigation systems.
• Medium-thickness geomembranes (0.75mm – 1.0mm / 30–40 mil):
• Cost: Approx. $0.40 – $1.10 per square foot.
• Applications: Medium-sized reservoirs, canal lining, small-to-medium landfills.
• Thick geomembranes (1.5mm – 2.0mm / 60–80 mil):
• Cost: Approx. $0.80 – $3.20 per square foot.
• Applications: Large mining tailings ponds, large landfills, high-pressure industrial wastewater ponds.
2. By material type
• PVC (Polyvinyl Chloride) membranes:
• Cost: Approx. $0.20 – $4.00 per square foot.
• Characteristics: Excellent flexibility and ease of installation, though costs can sometimes exceed those of HDPE.
• LLDPE (Linear Low-Density Polyethylene) membranes:
• Cost: Approx. $0.28 – $2.50 per square foot. • Features: Excellent flexibility; commonly used for pond liners requiring high adaptability to terrain contours.
3. Installation and Additional Costs
• Labor and Welding: Professional installation, site preparation, and heat-fusion welding typically add an extra $0.20 to $1.50 per square foot to the cost.
• Project Scale: Bulk wholesale purchases (e.g., over 10,000 square meters) can result in material cost savings of 15%–30% compared to retail prices.
If you can provide the following details:
• Your specific application (e.g., artificial lake, fish pond, or roof waterproofing)
• Approximate coverage area (in square feet or square meters)
I can provide more tailored material recommendations and a total cost estimate.







