Does brick prevent moisture and mold?

Better than anything else.

Moisture is necessary for the formation of mold. Brick construction is a multi-layer system that prevents moisture and mold. Of the eight types of materials that account for 90% of home construction, the National Association of Home Builders' Research Center confirmed brick is the best for moisture control. Thatʼs because brick is a multi-layered construction system. Five inches thick. Behind the outer wall of brick is a one-inch column of air that allows moisture that might get in, to either quickly evaporate or exit the wall through weep holes at the base.