Pro -Tec Fabric Buildings for Grain Storage

Authorized Dealer

Built & Installed by Hoffmann Storage

A Pro-Tec building is only as good as the team that puts it up. Hoffmann Storage manages your project from site prep and foundation coordination through erection and final inspection, with over a century of construction expertise behind every build. We make sure your structure is ready for harvest season, every season.

Interested in flat grain storage?

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Sentry Series

The Sentry Series features all high-strength steel cross-braced frames, rolled chords, universal wall attachments, and conveyor capabilities — engineered to current IBC standards and designed to maximize value for any application. Ideal for flat grain storage at the farm or co-op level

Grain Shield Add-On

The patented Grain Shield expands building storage capacity by 30% or more, designed for Sentry buildings in widths ranging from 110′ to 180′ — a smart upgrade when you need to squeeze more out of every square foot.

Why Choose Protec?

Pro-Tec buildings keep your grain protected against the elements with a tough, tightly woven polyethylene fabric cover that resists tearing and leakage.

Available in open span widths up to 200 feet, they provide natural lighting and superior ventilation while offering unbeatable strength and durability, engineered to meet the needs of both small and large operations.

Best of all, they’re easy to set up, easy to maintain, and easy on the budget, while standing up to tough weather conditions.

Ready to invest in grain storage? Financing is available.

Through our lending partner AgriFinancial (AgFi), you can finance your new Engineered Fabric Building with 100% financing available: covering bins, concrete, electrical, and more. With flexible payment options designed around your cash flow, getting started is easier than you think.

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