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ARMO GROUP SIA is a company based in Riga, Latvia and engaged in wholesale of construction materials.

icon_widget_image Office: Bauskas street 58, Riga, LV-1004 icon_widget_image Warehouse: Maskavas street 450, Riga, LV-1064 icon_widget_image Phone.: +371 23005353 icon_widget_image E-mail:

Polyfelt F


Polyfelt® F

Polyfelt® F filter fabrics are geocomposites, consisting of two layers of mechanically bonded continuous-filament nonwoven made from 100% UV-stabilised polypropylene. One filament layer is designed as a filter, the other as a protection layer preventing mechanical damage to the filter. The optimised opening size and number of constrictions ensure excellent long-term filter performance.


  • Optimum number of constrictions for excellent filter performance: adequate soil retention capability, minimum danger of internal clogging, and an opening size suitable for almost all types of soil
  • High water permeability
  • High filter stability: Due to the non-woven structure, the hydraulic and mechanical properties do not change significantly under mechanical stress, unlike wovens
  • Two layers fulfilling two completely different requirements: high filter performance, and high mechanical resistance
  • The continuous filaments of F have an indefinite anchor length, so that they cannot be dissolved from the fiber structure under cyclic mechanical stresses such as wave actions


  • Coastal protection
  • Ports and harbours
  • Dams


  • Filtration
  • Separation
  • Drainage
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