Building modern sponge cities requires reliable underground storage to capture and reuse heavy storm runoffs. Our engineering-grade rainwater harvesting cistern HDPE geomembrane forms an absolute water-tight wrap around underground storage modular blocks. This heavy-duty retention pond liner blocks captured rainwater from escaping into the surrounding subgrade soil while preventing mud and external contaminants from muddying your recycled water supply.

Technical Specifications

Why Choose Our Geomembranes?

• Absolute Micro-Pore Sealing: The high-density sheet stops water molecules from ghosting through, keeping your collected rainwater volume perfectly stable.

• Tough Against Crushing Block Weights: Easily handles the heavy point pressure of plastic storage crates or structural gravel backfills without puncturing.

• Microbe and Rot Resistance: Formulated to stay inert underground, preventing underground bacteria, mold, or soil acids from weakening the lining.

• Clean Margins for Hot Welds: Precision factory-trimmed edges allow your installation crew to achieve fast, $100%$ leak-free thermal seams across wide tank pits.

Primary Applications

• Underground Storage Modules: Wrapping around plastic attenuation crates to form a completely sealed subsurface rainwater tank.

• Commercial Detention Ponds: Lining open-air concrete or dirt basins to catch massive storm runoffs around shopping malls and factories.

• Urban Aquifer Recharging Tanks: Sealing local municipal water banks that hold recycled stormwater before treatment.

• Industrial Fire Water Cisterns: Lining emergency emergency water reserve tanks on factory grounds to guarantee zero water level drops.

Frequently Asked Questions (FAQ)