A storage bin comprising: a corrugated outer sidewall supporting a portion of a hoop tension load provided by a material within the storage bin and having a first corrugated panel and a second corrugated panel, the corrugated outer sidewall including a series of horizontally extending corrugations forming alternating grooved portions (26, 27) defining alternating circumferentially extending radially inner and outer ridges vertically spaced from one another along a vertical extent of the outer sidewall, the outer sidewall defining a first aperture, a generally flat inner sidewall supporting a portion of the hoop tension load and having a first flat inner panel and a second flat inner panel, the flat inner sidewall abutting the radially inner ridges and defining a second aperture; and a first fastener (32, 42) axially extending through the first and second apertures (28, 24) and coupling the inner and outer sidewalls (16, 18) to one another; characterized in that adjacent outer corrugated panels (18a, 18b) of the outer sidewall overlap at their vertical edges to form a horizontal seam having a lap joint; wherein vertical ends of adjacent inner panels (16a, 16b) form a horizontal seam having a butt joint connection and the first inner panel having a horizontal end overlapping a horizontal end of the second inner panel to form a vertical seam; and wherein the first corrugated panel extends in a first horizontal direction and includes a first horizontal end portion defining the first aperture, the first flat inner panel is located radially between the second corrugated panel and the second flat inner panel and extends in the first horizontal direction, the first flat inner panel further including a second horizontal end portion defining the second aperture, the second corrugated panel is located radially between the first corrugated panel and the first flat inner panel and extends in a second horizontal direction opposite the first horizontal direction, the second corrugated panel further includes a third horizontal end portion defining a third aperture, and the second inner panel extends in the second horizontal direction and includes a fourth horizontal end portion defining a fourth aperture, the fastener passing through the first, second, third, and fourth apertures and coupling the outer sidewall to the inner sidewall; and wherein the inner sidewall includes a protrusion extending radially outward therefrom and abutting one of the radially inner ridges creating a vertical communication path between adjacent grooved portions facing the inner sidewall. a corrugated outer sidewall supporting a portion of a hoop tension load provided by a material within the storage bin and having a first corrugated panel and a second corrugated panel, the corrugated outer sidewall including a series of horizontally extending corrugations forming alternating grooved portions (26, 27) defining alternating circumferentially extending radially inner and outer ridges vertically spaced from one another along a vertical extent of the outer sidewall, the outer sidewall defining a first aperture, a generally flat inner sidewall supporting a portion of the hoop tension load and having a first flat inner panel and a second flat inner panel, the flat inner sidewall abutting the radially inner ridges and defining a second aperture; and a first fastener (32, 42) axially extending through the first and second apertures (28, 24) and coupling the inner and outer sidewalls (16, 18) to one another;