Atas International Inc., Allentown, Pa., offers exterior metal crown moldings. Each trim is formed to look like colonial wood crown molding, yet the aluminum is virtually maintenance-free. The decorative trim can be can be custom-applied to caves, gable ends, rakes, frieze boards and dormers, and can be used on commercial and residential buildings. The profiles are available in all 29 standard Atas colors and have a minimum seamless length of 12 feet.