Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
activity duration. Period (hours, days, weeks) required to complete an activity. Activities with zero duration are called milestones.
duration (djÊreÉªÊÉn , US dÊr- ) 1. uncountable noun. The duration of an event or state is the time during which it happens or exists. He was given the task of protecting her for the duration of the trial. Courses are of two years' duration. Synonyms: length, time, period, term More Synonyms of duration.