Q:  Recently I hired a roofing contractor to re-shingle my roof. When the job was finished, I noticed that the bottom row of shingles did not overhang past the fascia board as I have seen on many other houses. The contractor insisted that the way he installed the shingles was correct and refused to make any changes. Is he right or am I?  F.C. A:  You are right, the contractor has not read his building code. The bottom row of …