Bakery Equipment Dough Proofing Systems Dough Proofing Equipment, including roll-in and roll-thru rack proofers as well as wholesale Intermediate Dough Proofers, are strong, durable units designed to give you years of trouble free operation. Empire Dough Proofers use high quality, stainless steel construction and heavy-duty design to meet almost any dough proofing requirement. Dough Proofers are designed to keep your energy expenditure to a minimum. The proofbox walls are two inches thick and foam insulated to prevent heat and moisture loss. The Dough Proofer’s easy-to-use controls allow you to regulate time, temperature and humidity so you have full control over your dough’s development. These Dough Proofing Systems are available in reach-in and roll-thru configurations in a variety of capacities.