If the walls freeze: what needs to be done

Inhabitants of apartments in high -rise buildings of the old buildings often meet a serious problem. In the cold season the walls, especially if they are external at the house, begin to freeze. A fungus appears, which is rapidly conquering living space from the residents. To external wall insulation to do something quite difficult. One way remains — insulate the walls from the inside. There are now a lot of various modern materials for any wallet and taste in stores. Experts advise choosing polystyrene or mineral -fiber plate foam. It is easy to work with them,