To prevent mildew ventilate basements or run dehumidifiers to dry the air, walls and furnishings. Don’t hang wet clothes in your closets. Keep your showers and tubs clean of soap-scum so that they dry quicker. Replace the caulking every 1-2 years with a mildew free caulking for kitchens and bathrooms. Air-out your bathroom cabinets and under kitchen sink…