I had new copper gutters installed and because of the gutter hangers, the gutters now hang further away fron the existing drip edge. The shinlges do not extend far enough beyond the roof line to allow rain to properly drain from the roof into the gutter. When the rain is light the water drips between the fascia and the gutter. I'm afraid that overtime the fascia will rot. What should I do to correct the problem. My ashpalt roof is 18 years-old and is still in pretty good shape.