Storage Systems

Commercial grain bin systems built by Starkey Construction LLC., bring you only the highest quality grain storage products at the most competitive prices. We have always used the best products in the industry. For over 40 years, we have been building grain storage bins, and we are proud to offer our customers Brock Commercial Grain Bins.

Brock Commercial Grain Storage Is Different By Design™

Brock’s decades of storage design and manufacturing experience helps to make Brock’s commercial grain storage products Different by Design™! Because of that experience, BROCK® Commercial Grain Storage Bins offer commercial users the best built-in value over the life of the product.

Look at the advantages Brock’s approach to grain storage products offers you:


  • More models and choices so you can get the bin you need. Single bin capacities range up to 730,000 bushels (24,250 m3).
  • More innovative, user-friendly features to help you maintain and protect your valuable stored grain.
  • Top quality performance and classic product durability and ease of use closely associated with the BROCK® name. Design does matter!
  • Brock’s industry-leading five-year warranty program on commercial grain bins – we believe we have the best warranty in the industry! See Brock’s full written warranty for complete warranty details.
  • A growing line of products designed to help save labor and money.
  • Service . from planning to installation . and beyond.


Innovative Features and Quality Help Make BROCK® Bins Different

Whether you have a large or small grain handling facility, if you need sound commercial grain storage bins, it makes sense to consider the differences BROCK® Bins offer to you. Brock’s commercial bin feature list includes:


  • Flat-bottom storage bin diameters range from 15 to 105 feet (4.6 to 32 meters) with single bin capacities of up to 730,000 bushels (24,250 cubic meters).
  • Models available with narrow-corrugation (2.66-in./68-mm) and with wide-corrugation (4-in./102-mm) sidewall designs.
  • Brock offers diameter-based roof options that help balance performance with price. The resulting bin roof peak capacities range up to 25,000 pounds (11,300 kg) depending on bin diameter. (See commercial bins roof peak loads page.)
  • Brock’s all-galvanized steel sidewall stiffener is one of the strongest available.
  • Top quality prime steel sidewall body sheets are 8 through 20 gauge galvanized steel with a minimum tensile strength of up to 65,000 psi (448 Mpa). On taller models, Brock uses two sidewall panels laminated together for greater strength.
  • Identification codes on every body sheet identify manufacturing date, part number, and steel gauge.
  • Sidewalls are assembled using Brock’s high-strength Grade 8.2 bin seal bolts with special JS-500™ coating to provide superior weather-resistance.
  • Optional Grade 8.2 polypropylene-encapsulated-head bolts provide enhanced corrosion resistance.
  • Bin anchor system securely fastens the bin to the foundation and is designed to withstand winds up to 90 mph (145 kph).
  • The unique Brock FULL SWEEP® Bin Anchoring System is standard on all Brock Commercial bins 72 feet (22 m) in diameter and larger for solid anchoring of large bins for single-pass sweep operation.

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8881 E. 2300th Rd., Metcalf, IL 61940
Phone: (217) 887-2008
Fax: (217) 887-2009