The answer to 'shingles ice dams' is that ice dams are a common problem that can occur when snow and ice build up on a roof, causing water to back up under the shingles and leak into the home. This is often caused by poor insulation and ventilation in the attic, which allows heat to escape and melt the snow on the roof, only to refreeze at the roof's edge.
Symptoms of ice dams include icicles forming on the gutters, water stains on the ceilings or walls, and visible ice buildup on the roof. Solutions can include improving attic insulation and ventilation, installing heating cables or a roof de-icing system, or manually removing the ice dam. However, it's important to call a professional roofing contractor for significant ice dam issues, as they can safely and effectively address the problem.