UpCodes logo
Jump To Full Code Chapter
Wood structural members that support moisture-permeable floors or roofs that are exposed to the weather, such as concrete or masonry slabs, shall be of naturally durable or preservative-treated wood unless separated from such floors or roofs by an impervious moisture barrier. The impervious moisture barrier system protecting the structure supporting floors shall provide positive drainage of water that infiltrates the moisture-permeable floor topping.

Related Code Sections

16.2 Connections Between Members, Connections of Precast Members
Where precast members form floor or roof diaphragms, the connections between the diaphragm and those members being laterally supported ...