Joel Garland of WR Meadows will conduct this Technical Session. This course explains some of the issues relating to concrete deterioration as a result of water penetration. The course also describes the different methods of dampproofing, waterproofing, and vaporproofing and differentiate between positive- and negative-side waterproofing. The course also identifies the various types of waterproofing systems and differentiates between them. This program is registered with the AIA/CES for continuing professional education, and is HSW-approved. The course earns one learning unit (LU).