Lao Mao, Thanks a lot for the answer to the follow-up question. We have to get it repaired because i need to be responsible to the person move in. As to that Contractor. I will do my best to bring him to the court. I will also report them to the state attorney general local claim office, Better Business Bureua. I will share our bad experience with him on website and I will score him low, which he desterve.