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Dam Liners


Cost-effective method to eliminate water loss.

Polytex uses high-quality, extremely tough and well-known brands of fabrics for dam liners and other water containment and retention applications.

Dam liners prevent water seepage minimising your water loss. Dam covers prevent water evaporation and reduce debris.

Standard installation of a dam liner:

  1. Drain the dam, clear out the silt and make a smooth base and batter
  2. Dig a trench approx. 200mm wide and 300mm deep
  3. Unfold the dam liner and lay it out on the dam base
  4. Backfill the trench to secure the edges of the dam liner/tarp

Other factors should be considered depending on the size of your dam. Contact us to discuss your specific application.



  • Aquamark, Aquacon and Landmark
  • 340 – 425 gsm
  • 3–10 year UV warranty


  • Canvacon and Tarpee
  • 250 – 320 gsm
  • 3–5 year UV warranty


  • 325 – 900 gsm
  • 3-5 year UV warranty

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

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