5.1.2.1.Exposure to Exterior Space or the Ground and Separation of Dissimilar

Environments (1) This Part applies to (a) building materials, components and assemblies exposed to exterior space or the ground, including those separating interior space from exterior space or separating interior space from the ground, (b) building materials, components and assemblies separating environmentally dissimilar interior spaces, and (See Note A-5.8.) (c) site materials, components, assemblies and grading that may affect environmental loads on building materials, components and assemblies exposed to exterior space or the ground. (See Note A-5.1.2.1.(1))