R406.3.2

Section R406.3.2 is titled 'Below-grade moisture barrier' and covers requirements for foundation dampproofing. The requirement to install a moisture barrier between a wood foundation wall and the backfill in accordance with details of this section is established. The purpose of this section is to prevent water from entering the building through the foundation.

The model shows a section of a partially exploded wood foundation assembly with a highlighted moisture barrier, highlighted caulk lines, plywood protection strip, and backfill.