Mininum Inside or Outside Radius: 3 feet, 3 inches. This profile Can NOT achieve an Arch Radius. The flexible crown mouldings by Orac Decor allow for out of the box thinking and gives you the ability to create truly unique wall applications. The lightweight polymer is capable of moderate radii (please reference the flexible radii chart) to suit most applications. The mouldings were designed to bend without profile deformation or causing stress to the mounting surface. Orac Decor flexible trim, which even includes flexible crown molding and flexible baseboard, offers sharply defined details, perfect dimensions, and extremely consistent quality. With a wide range of flexible moulding applications, Orac Decor flexible moulding is designed to be handled and installed utilizing typical woodworking equipment and is primed and ready for painting, glazing or faux finishing. Color: Primed White. Material: Polyurethane.