Siena College Alumni Arena - The maple floor at the Alumni Arena was  installed directly on top of an existing urethane floor.  The main court area is a Robbins Bio-Star floor system, which meets all of the D.I.N. Standards (18032, Part II).  The remainder of the floor is Robbins Bio-Cushion.  The total floor area is 32,000 square feet, or 3/4 of an acre.  Siena’s floor is one of the largest Bio-system floors in the world, in addition to being one of the most user-friendly surfaces for athletes in the region.