A screen assembly includes a core having an edge and first and second opposite side surfaces. A retainer, or edge treatment, is coupled to the edge of the core and extends outwardly from the core. The retainer includes first and second resilient limbs having respective edge portions defining a mouth. First and second cover portions overly the core and exterior surfaces of the retainer. The first and second cover portions wrap around the first and second limbs and are disposed through the mouth such that the edges of the first and second cover portions are retained by the limbs. Various screen supports and accessory interface members also are provided.