What is a conventional stucco system?
Conventional – or three-coat – stucco will have a weather barrier of either from asphalt impregnated or synthetic building wraps or sprayed or rolled air and moisture barriers. Over that will be expanded or woven wire lath then a scratch and brown coat application of mortar.
AMX 740 FBC (Fiber Base coat) is the Amerimix product used in three-coat stucco systems. The finish over the top can be paint, colored stucco, or synthetic and elastomeric coatings.