Per the International Building Code, Class I Vapor Retarder Should

Multiple Choice

Per the International Building Code, Class I vapor retarder should only be used in wood or cold- formed steel (CFS) frame assemblies in

A) Climate zones 3, 4, 5, and 6, and 7.
B) Climate zones 3, 4, 5, 6, and marine 4.
C) Climate zone 5, 6, 7, 8, and marine 4.
D) Climate zones 4, 5, 6, 7, and marine 4.
E) Climate zones 1, 2, 3, 4, and 5.