The dangers of sealing moisture inside your home. Water is one of your homes worst enemies. Water dripping on to HVAC condensing unit spun water on to the siding for so many years it created rot. This in combination with water being trapped inside the walls because of insulation and plastic created a terrible situation for the home. Historic homes are built to breathe. When moisture is trapped in the walls it creates the effect of a cold glass of tea on a hot day. Featuring: Historic Shotgun House in East Wilson, NC.