Finding and efficiently eliminating areas of trapped moisture is one of the many factors that differentiate an experienced restorer from a novice. If left untreated, these forgotten areas can lead to various forms of secondary damage and significantly complicate restorative efforts. Wet wall cavities are one of the most common hidden moisture scenarios technicians run into, and many different theories exist on how to handle these situations. Industry trade shows are full of different types of attachments and pieces of specialty equipment that claim to make drying these areas easier. Are they necessary? When and in what circumstances? What is truly the best way to dry hidden moisture inside of wall cavities?
The four variables that dictate an effective approach are: