Estimate how much HDPE geomembrane your pond or containment area needs, the total seam length, and roughly how much extrusion welding rod to order for details and repairs. Figures are planning estimates — for a confirmed bill of quantities, send us your drawings.
These estimates assume the dual-track seaming workflow of a hot wedge welding machine for panel joints, with an extrusion welder and 3.0–4.5 mm rod (4 mm: IZ-4MM-WELD) handling details, patches and penetrations, and a hot air gun for tacking. Liner range and datasheets are on the HDPE geomembrane supply page, and every machine in these estimates ships from our Dubai stock as your extrusion welder and geomembrane supplier in Dubai.
Flat dimensions are increased by the side slopes (via depth), an anchor trench allowance on each side, and your overlap/wastage percentage — the same first-pass method estimators use before panel layout drawings exist.
Rod demand comes from detail work, not panel seams. The tool assumes a typical consumption per 100 m² of installed liner, scaled by your detail factor. Complex tanks and fabrication jobs need a project-specific take-off — ask us.
No — it is a budgeting tool. Final quantities depend on panel drawings, slope geometry and site conditions. Send your drawings via the contact page for exact quantities with your quotation.
Send us the calculator result and your location — we price liner, machines and rod together.
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