High Quality Content by WIKIPEDIA articles! Waterfall Chart is a form of data visualization which helps in determining the cumulative effect of sequentially introduced positive or negative values. The waterfall chart is also known as a Flying Bricks Chart due to the apparent suspension of columns (brick) in mid-air. The waterfall chart is normally used for understanding how an initial value is affected by a series of intermediate positive or negative values. Usually the initial and the final values are represented by whole columns, while the intermediate values are denoted by floating columns. The columns are color coded for distinguishing between positive and negative values.