I am looking for some insight.....I had my roof replaced. Complete tear off of 2 layers of shingles and repairs to more boards than I would like to admit. However, I never had any leaks in the house before. The work was done in January in Michigan so it has definitely been cold. Within 1 week of having everything replaced, I started to notice ice dams and icicles. This was NEVER an issue before the new roof. I had the roofer come out and take a look and his answer was that I have bad insulation. When I explained that I never had the issue before he said it was because I had 2 layers of shingles previously. The ice dams became such an issue that within the month I had a major roof leak! The roofers came back, shoveled the snow and did a temporary fix to the area that started leaking. As seen in the attached picture, is my insulation really the issue when I still have snow on my roof and my neighbors don't? Are there other reasons as to why ice dams would happen with a brand new roof that was never an issue before?
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