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Bunker Walls


Precast concrete bunker walls

Polytex precast concrete bunker sides will provide a strong, stable wall which will last for years and always be a saleable asset.


  • Swift-lift lifting anchors for ease of unloading & positioning
  • Concrete bunker sides will help to anchor your cover securely



  • Standard Size: 3m Long x 1m High
  • 40Mpa vibrated concrete with non-rusting reinforcing
  • Rounded top edge is tarp/cover friendly (no sharp edges), with an overhung lip to help keep the cover secure and tight
  • M12 threaded ferrules, cast-in to provide strong attaching points for clamps
  • Clamps and side timbers/RHS available
  • Covers and tarps are available to suit any size layout

L-Shaped Concrete Walls also available in different heights. Popular for silage pits and varied other uses.


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.