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Fortress Covers / Gravel Bags

Fortress Covers - Bunker Coverage

The Fortress Cover is a protective cover placed on top of the silage sheeting, keeping the sheeting in constant contact with the silage. The Fortress Cover eliminates the need to completely cover the pile with tires, saving time and labor. The Fortress Cover gives protection from hail, birds, deer etc. Fortress Covers may also be used on Silage Bags or rows of wrapped hay with many different sizes available.

 Fortress Cover Features:

  • 12 year warranty on UV degradation.
  • Stainless Steel Grommets allows easy securing of cover.
  • Double stitched hem around the perimeter.
  • Unmatched quality will ensure many years of use.
  • Endless list of uses, Windbreak, Sunscreen, Silage Bag Cover
  • Fortress Covers fold easily making storage convenient.
  • Professional fit and finished product.
  • Ships easily.
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Fortress Covers

  • Sizes (Meters)      Size (Feet)
  • 4m x 16m               13 x 52
  • 8m x 13m               26 x 42 
  • 8m x 14m               26 x 45 
  • 8m x 16m               26 x 52  
  • 8m x 17m               26 x 55 
  • 8m x 18m               26 x 59
  • 8m x 20m               26 x 65
  • 8m x 22m               26 x 72
  • 8m x 25m               26 x 82 
  • 8m x 32m               26 x 105
  • 8m x 37m               26 x 121
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Fortress Gravel Bags-Unfilled

  • Sizes                                   
  • 5" x 40"   Available in Packs of 20 and 200