New Grain Bunker Package – Everything you need for your harvest, view pricing online!



Hexa-Cover Floating Cover is the ideal solution for eliminating evaporation

Hexa-Cover Floating Cover is the ideal solution for eliminating such things as:

  •  Emission
  • Evaporation
  • Organic growth
  •  Odour
  • UV effect
  • Heat loss

Hexa-Cover Floating Cover ensures:

  • Up to 99% coverage of the surface
  • Up to 95% reduction of evaporation from water surface
  • Up to 95% stable, constant reduction of emission
  • Up to 95% stable and constant reduction of odours
  • Up to 99% reduction in organic growth / algae
  • Up to 74% reduction in heat flux

Key Benefits

Polytex Bunker Tarps

Tarp Stenciling

Polytex Bunker Covers or Bunker Tarps can include tarp stenciling to your specifications


Tarp Stenciling

Polytex has a vast network of recommended & competent carriers Australia wide.

Polytex Ground Sheets

Tarp Stenciling

Polytex uses only first quality industrial fabrics for the manufacture of all products; well-known brands including Canvacon, Tarpee & Landmark variations

Grain Bunker Calculator

Grain Bunker Calculator

Access our calculator to get a comprehensive guide to planning and designing your grain storage.