DunaSava d.o.o. is a Belgrade-based company specialising in the supply of geosynthetic materials to Serbia and the Western Balkans. We are part of the Geoser group – a Turkish manufacturer of geomembranes and geosynthetics exporting to more than 40 countries since 1978.
We combine the production capacity and laboratory quality control of the parent factory with local stock, fast delivery and technical support in Serbian. From design documentation to installation supervision, we are with you at every stage of the project.
Stock in BelgradeStandard geomembrane and geotextile thicknesses and widths available immediately, with no waiting for imports.
Technical supportHelp with sizing, specification and material selection to EN and GRI standards.
Site deliveryLogistics to site in Serbia, Montenegro, Bosnia and Herzegovina and North Macedonia.
Installation supervisionOn request we provide expert welding supervision and seam testing.
Our mission
Quality and reliability in every project
Our mission is to give investors, designers and contractors in the Balkans world-class geosynthetic materials – certified, available and backed by expertise – so that every structure is safe, watertight and built to last.
Our products
World-class geosynthetic solutions
The entire range is manufactured by Geoser in its own plants in Ankara under ISO 9001 quality control. All products are environmentally friendly and free of hazardous substances.
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HDPE Geomembrane
High-density polyethylene liner for landfills, reservoirs, ponds and mining facilities.
Base and capping liner systems, leachate collection and rehabilitation of closed cells.
Water & irrigation
Reservoirs, canals, retention basins and water tanks – impermeable systems that save every cubic metre.
Mining & energy
Heap-leach pads, tailings, ash ponds and chemical storage compliant with environmental regulations.
Construction & infrastructure
Waterproofing of tunnels, foundations, bridges and underground structures; waterstops for every joint type.
Environmental protection
Remediation of contaminated sites, secondary containment of tanks and wastewater treatment.
Agriculture & aquaculture
Fish ponds, manure lagoons, silos and farm irrigation reservoirs.
Production & quality
Certified quality, documented traceability
Every roll we deliver comes with a manufacturer's declaration and a factory laboratory report. Geoser production is certified to ISO 9001, ISO 14001 and ISO 45001, and products are tested to EN, ASTM and GRI-GM13 methods.
ISO 9001:2015Quality management system
ISO 14001:2015Environmental management system
ISO 45001:2018Occupational health and safety
CE / FPCFactory production control and EN conformity
Geoser group materials have been installed in landfills, reservoirs, mines and infrastructure in more than 40 countries – from France and Italy to Malaysia and Tanzania.
Landfill lining – HDPE geomembraneDouble liner system with geotextile protectionSeam welding on siteSeam quality control with extrusion weldingGeotextile protectionNon-woven geotextile cushion below and above the linerSlope liningTextured HDPE liner on steep slopesIrrigation reservoirLarge-scale impermeable basinAgricultural reservoirFast installation on smaller structures
Contact
Get in touch
Send us an enquiry with the basics of your project – type of structure, area, required thickness – and we will reply within one working day.
Office & warehouse
DunaSava d.o.o. Hilandarska 141/1 11271 Surčin, Beograd, Srbija