The main cause of This can be termite defense. Stucco that is definitely used over a Wooden body wall will need to have a separator sheet guiding the steel wire mesh that functions as a The bottom for stucco application as well as wall below. Stucco itself just isn't https://www.termitehq.com/stucco-termites-how-to-spot-prevent-and-eliminate-hidden-infestations-in-your-walls/