2-coat system: Use a traditional stucco mix, but it’s used for concrete, brick and block walls. Instead of using a metal lathe, a bonding adhesive is used on the wall before two coats of stucco ...

The stucco wall consists of ½-inch flakeboard with 1-inch-thick foam board applied to the 2-by-4 wood frame, then ⅛-inch of concrete or gunite, followed by 1/16 of an inch of stucco later spray ...