From utilizing packing tractors and gravel bags to improved face management and feed out techniques, bunker and silage pile management has come a long way in the past decade. Along with these improvements, feed managers are realizing the best way to reduce spoilage is by using multi-layer covering techniques. The combination of our 2 mil Silage Shield™ covered by our 5 mil black and white bunker covers ensures an airtight seal with quality products that producers have come to rely on for the best protection of their valuable feedstuffs. Up North Plastics is your partner in quality feed storage.