A method and apparatus for constructing a folded flat. The flat may include a first surface having a first panel and a second panel. Each of the first panel and the second panel include an inner edge. Further, the first panel may include a first score line that extends in the machine direction and a tab adjacent the first score line. The tab connects the first panel and the second panel. A folding apparatus may engage the first surface of the flat. The folding apparatus may include an engagement member and a fold assist member. The fold assist member may engage the area between the inner edge of the first panel and the inner edge of the second panel. The engaging member and the fold assist member cooperate fold the flat along the score line to form a folded flat.