A structural member comprising a first round flange, a second round flange substantially parallel to the first round flange, an elongate web disposed between the first and second round flange, the web having an upper edge, and a lower edge, wherein the first round flange, the second round flange and the elongate web are secured together to form a structurally integral unit. The structural member may further comprise a third round flange and a fourth round flange substantially parallel to the third round flange, wherein the round flanges and the elongate web are secured together to form a structurally integral unit in which the first face of the web is in contact with the first round flange and the third round flange, and the second face of the web is in contact with the second round flange and the fourth round flange.