Technically, mold doesn’t grow within masonry bricks. However, it is not true that your brick walls or other surfaces are incapable of having mold problems.
Some people believe that bricks are a mold-proof building item, but this is not the case. Although mold is not that porous and doesn’t have the organic matter necessary for mold to feed, it can develop mold issues. This is because of other materials that can build up on the brick surfaces. Technically, mold doesn’t
Can water damage cause mold growth inside brick walls if there are no signs of external damage or leaking visible from the outside? - Quora
White Mold: Is It Dangerous & How to Remove It? - Mold Busters
What is Efflorescence? Basement Waterproofing Solutions
Can Mould Grow On Or In Bricks & Concrete
Seattle Mold Prevention Your Preventing Mold Specialist
Cleaning Mold/Mildew Off Brick Wall
Mold Growth or Efflorescence? Northeast Property Restoration
How to REMOVE MOLD from BRICKS
What Are the Causes of White Mold on Bricks?
Preventing the Growth of Mold, Moss, and Mildew on Old Brick Walls