Aalborg Boldspilklub
Born in Støvring, Silberbauer started his career playing youth football for local amateur team Støvring IF, before moving to nearby top-flight club Aalborg Boldspilklub (AaB). He made his Danish Superliga debut for AaB in the 3–2 win against defending Superliga champions Herfølge BK on 26 July 2000, and he played 28 of 33 games during the 2000–01 Danish Superliga season. Silberbauer played a total 105 Superliga games for AaB until December 2003, and was named AaB player of the year in both 2001 and 2002.