JMI Covers LLC Logo
Temporary Grain Storage

Temporary Grain Storage

Grain Storage

JMI Covers is the leading manufacturer of durable, industrial-strength temporary grain storage covers. Our grain tarps protect tens of millions of bushels each year. JMI offers a variety of materials to choose from:

  • Guardian Series® woven coated polyethylene

  • Mega8® string-reinforced polyethylene

  • Vinyl

Custom Grain Tarps

JMI's grain tarps are custom made to size and specification for all types of temporary grain storage. Covers are available with our HLT® grommeted edges and weather flap connection seams, or material sheets for sewn installation. We know the importance of protecting your agricultural products from the elements, and we strive to make your job as easy and as safe as possible.


Our CoverGuard® Patented Internal Strapping System is uniquely encapsulated within the grain cover. Compared to external web nets, our CoverGuard® Patented Internal Strapping System saves both time and money by reducing installation time at a fraction of the cost. The CoverGuard® Internal Strapping System is available in 12ft and 24ft spacing options.


The Guardian Positioning System® is integrated into our high quality grain covers and is strategically placed to allow employees to be securely attached to a tie off point. Our system is designed to reduce the chances of sliding off the pile while working. It allows personnel to safely maneuver around the pile during cover installation, maintenance, sample probing, or when removing cover sections during product reclaim.

HLT® Cover Connection Seams

Tired of Sewing? HLT® Connection Seams are extremely strong are easily assembled on site without the use of sewing machines. These Connection Seams have webbing reinforced and grommet edges, which are secured together with the use of heavy duty zip ties. Hook & Loop secondary rain flaps provide additional moisture protection and are color-coded to ensure proper of installation.

HLT Cover Connection Seams

EZ-PLOY® Hand Straps

EZ_Ploy® Hand Straps are designed to aid in the deployment of the covers while helping reduce the wear & tear on your hands. The EZ-Ploy® Straps are installed along the connection seams on 12ft. spacing. EZ-Ploy® Straps are standard on JMI's covers with the purchase of our HLT® Connection Seams.

EZ-PLOY Hand Straps

VeraFlow® Air Intakes

Designed for customers who use perforated PVC pipe to provide air flow throughout the pile. VeraFlow® Air Intakes are manufactured with spacing increments of 12ft. This system ensures consistent spacing across the pile and balanced air flow throughout the grain pile. Since VeraFlow® is built into our covers, you no longer have to place the pipe before covering. Once the cover has been installed and secured, open the VeraFlow® hook and loop pocket and place intake pipe and close.

VeraFlow Air Intakes

VeraVent® Air Intakes

VeraVent® Air Intakes are ideal for all styles and configurations of bunkers where FM tends to build around the inner core of the pile making it sometimes difficult to achieve a well-balanced airflow in these areas. VeraVent® ultimately helps maintain the overall quality of your product

VeraVent Air Intakes

AeraShield® Aeration Filtration Socks

JMI offers durable aeration screens that prevent grain from entering the aeration pipe without restricting airflow through the perforations. Our polypropylene material can be ordered by mill roll or manufactured into socks to fit your specific size requirements.

VeraVent Air Intakes

BunkerGuard® Wall Skirts

BunkerGuard® Wall Skirts are manufactured to the specific bunker size and wall height. It is easily removed and is reusable. Our strategically placed mesh screens allow for the aeration systems to still pull in the air as not to starve the aeration system and increase energy costs. BunkerGuard® installs easily to the top wall and rolls up when complete air flow is desired.

VeraVent Air Intakes

Give us a call today for a free quote.

call now