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Grain Tarps

Our string reinforced tarps are perfect for covering all agricultural grains including corn, soybeans, milo and wheat. Tarps are available in various sizes, thicknesses, and styles. Learn more about our tarps, calculate tarp sizes, view project galleries, and browse our frequently asked questions below.

Grain Tarps made in the USA
Grain Tarp Covers by Soles Enterprises

Our Grain tarps are the perfect solution for covering:

Tarp Features

Our go-to cover for most grain piles is an 8 mil string reinforced polyethylene. We stock other sizes and styles and will work with you to design the perfect cover to protect your commodity. Because we have years of installation experience, we can ensure that you get the best tarp for your application, and can cover any size or shape of pile with or without walls or towers. We have you covered.

  • String Reinforced 6, 8, 10 mil thicknesses available
  • 100% waterproof
  • Durable construction that’s hard to stretch or tear
  • UV treated to maintain durability
  • Flexible in freezing temperatures
  • Easily stitched for quick installation
  • Made in the USA
Grain Tarp Calculator
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Important – Tarps are only available in 5 foot incremements.

Need sizing help? Use the grain tarp calculator above to calculate the size of tarp needed for your grain and bunker.

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Frequently Asked Questions
  • What's the benefit of String Reinforced tarps vs Woven Coated tarps?

    In the video below, we've sewn a piece of 12 mil woven coated to a piece of 8 mil string reinforced. The composite piece is attached to a 2" square tubing on each side so we can pull it apart simultaneously. Telehandlers are attached to the tubing and will pull to failure. This demonstrates what we witness in the field with the "zippering" effect that most are familiar with.

  • What is the best tarp for my grain pile?

    There may not be one material that meets all needs and/or requirements. In general, the industry seems to be using more and more string reinforced polyethylene. Woven coated polyethylene has a spec sheet that has typically higher values but is prone to "zippering" if subjected to stress.

    There are many thicknesses available for both products. Generally the 8 mil string is the standard. Some use thinner and some use thicker. The standard for woven coated seems to be 12 or 14 mil. This weighs approximately the same per square foot as the 8 mil string. Again, some use thinner and some use thicker.

    Generally "fill under the tarp" systems will use the heavier materials and "tarp after filling" systems will use the lighter materials.

  • Should I put straps over my tarp?

    It depends on the objective. Generally the straps are added to add a little safety if the power goes out. In this case, it may buy some time if the electricity is not off too long or the wind isn’t too strong. Many times the straps fluttering on top of the tarp wears holes in the tarp and would make the tarp more susceptible to ripping. For this reason, some are having the
    straps built into the tarp. In general we feel a generator and transfer switch would be a better investment.

  • Should I sew the seams or zip tie them?

    In almost every case an excellent sewing machine can be purchased for less than the cost of adding the zip ties to your tarp one time. Sewing is faster and can be done by one person instead of a team using zip ties.

  • What should I use to batten the edge of the tarp?

    Most use 1x4s, some use 1x2s and many use 2x4s. If electricity is prone to outages heavier would be recommended. If the bunker is rounded on the ends make sure the boards are not longer than the wall panels.

  • Is there an easier way to batten on tall walls?

    Use perforated tubing to cover the top edge of the walls and attach the nail board at a good working height. This way you can batten from the ground. See the photo below as an example of a batten on a bunker with tall walls.

  • How many make-up air tubes need to go over my grain prior to tarping?

    It depends on what kind of walls (concrete or steel), fan CFM, and many more things. On concrete wall systems we generally see a make-up air tube every 40’ or so. On steel wall systems we see everything from no tubes to one tube at the top down the length of the pile to one every 40’ or so. If possible the tubes should be placed between fans rather than on top of each fan.