In Australia and New Zealand a super foot is a unit of volume for timber or lumber, equal to the volume of a board one foot square and one inch thick. This unit is the same as the North American board foot
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}