When installing moulded millwork, always use noncorrosive fasteners along with urethane based adhesive on the back and at all decorative moulding joints.
Most brands of moulded millwork have a recommended type of adhesive you can purchase along with the millwork.
When installing moulded millwork, always use noncorrosive fasteners along with urethane based adhesive on the back and at all decorative moulding joints.