The answer to 'soffit curling shingles' is that curling or buckling shingles on the soffit (the underside of the roof overhang) is a common roofing issue. This can be caused by poor ventilation, improper installation, or exposure to the elements over time. Symptoms include shingles that are lifting, curling, or peeling away from the soffit.
In many cases, soffit curling can be addressed with a DIY repair, such as re-securing the shingles or replacing damaged sections. However, if the issue is caused by more extensive problems like poor ventilation or structural damage, it's best to call in a professional roofing contractor to diagnose and fix the root cause.