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JUNIFOL® membranes are manufactured from high-density-polyethylene (PE-HD), linear-low-density-polyethylene (PE-LLD) and polypropylene (PP), using flat-die extrusion technology.

JUNIFOL® is being produced in two basic widths -  5,1 m and 8,0 m ; the thicknesses offered range from 0,6 mm up to 3,0 mm. There are three types of surface available - both sides smooth, one side structured, or two sides structured versions.

The product can be manufactured as a mono-layer membrane, alternatively as a co-extruded multi-layer sheet.  JUNIFOL® is supplied in black colour (the standard coloration), various other colour modifications are available upon request.

Due to high quality raw materials used in the production plus a long-lasting and vast experience of our highly qualified personnel uniting in the finished product, our JUNIFOL® membranes represent a reliable insulation solution for a wide range of engineering projects and installations. Our PE-HD and PE-LLD based membranes offer an excellent chemical resistance, exquisite mechanical & hydraulic properties, they also represent a superb barrier against microorganisms, fungi and root penetration; a high level of gas (e.g. methane, radon) impermeability is likewise provided. The product is UV-stabilized.

JUNIFOL® membranes are manufactured in two modifications – geosynthetic barriers (geomembranes) or sheets for waterproofing (in either case, the production process complies with all relevant harmonized EU standards, both product types bear CE mark).


Drainage membrane JUNOP is a dimpled membrane, impermeable to water and water vapor.

The vacuum formed exclusive dimple pattern creates an air-gap between the membrane

and the foundation wall. This unique design allows any incidental water getting past

the dimpled membrane to flow freely to the perimeter footing drain. The air-gap

guarantees a safe separation and full capillary break between the foundation wall and

any ground moisture.

JUNIFOL Geomembrane