Textured HDPE Geomembrane

• 10 Critical Questions Every Buyer Must Ask

  Feb 24, 2026

    Whether you're a contractor, engineer, or procurement specialist, these are the questions we hear most often—and the answers you need to know.     Q1: What's the difference between geotextile and geomembrane? A: Think of it this way: geotextiles let water through but hold soil (filtration/separation), while geomembranes stop water completely (barrier/containment) . Geotextiles: Permeability 1×10⁻³ to 1×10⁻⁴ cm/s, used for drainage, separation, protection Geomembranes: Permeability as low as 1×10⁻¹³ cm/s, used for ponds, landfills, containment Q2: How long do geosynthetics last? A: In normal environments, quality geosynthetics last 50+ years. In harsh conditions, enhanced grades can reach 70 years . However, lifes...

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