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.
durationnoun [ U ] uk â /djÊÉËreÉª.ÊÉn/ us â /duË-/. C1 the length of time that something lasts: He planned a stay of two years' duration. for the duration. âº for as long as something lasts: I guess we're stuck with each other for the duration (of the journey). Thesaurus: synonyms and related words.