Dryvit Knowledge Base - Topic : Infinity System (Pressure Equalized Rain Screen System)http://www.dryvit.com/faq/afmmain.aspxWelcome to our knowledge base. Here you will quickly find answers to our most commonly asked questions.FAQ # 59 : What is a moisture drainage system?http://www.dryvit.com/faq/?f=59Tue, 15 Jul 2008 00:00:00 GMT