As number of foreclosed homes grows, so does mold
As huge numbers of foreclosed homes continue to work their way through the real estate pipeline, another problem is blossoming — mold. In most homes, as residents go in and out and the seasons change, natural ventilation sucks moisture up to the attic and out through the roof. It's called the "stack effect." And in many parts of the country, it's driven by air conditioning in the summer and heat in the winter.