More durable wall surface - Drywall's lifespan can be measured in decades, or less if it gets wet. Plaster's lifespan can be measured in centuries. It is a much harder surface than drywall, maintaining its beauty even in high traffic areas.
More fire resistant
Low VOC's, non toxic
A green, environmentally friendly product
A natural, mold resistant and breathable finish
Superior density, which turns into a highly effective sound barrier and provides better room acoustics
Better joint concealment, resistant to nail pops and cracking, a hard monolithic surface
More quickly finished than drywall and minimal dust