A treated fabric for grain storage includes plural jute fibers woven together to form a fabric, the plural jute fibers having a smooth external surface; first rough regions formed into the external surface of a jute fiber of the plural jute fibers; second rough regions formed into the external surface of the jute fiber; and a paraffin wax layer located over the external surface of the jute fiber, the first rough regions, and the second rough regions. The first rough regions originate from a different substance than the second rough regions, and the second rough regions are deeper than the first rough regions.