1 Coat Stucco vs 3 Coat Stucco Process | ECHOtape
Three coat is the original stucco process, consisting of paper and wire, a scratch coat, a brown coat, and a finish, or top coat. In industry terms lath, scratch and brown. The finish coat is not considered a step because it is needed on every type of application that is used, so they are mainly referring to the stages up until the finish coat.