Basement Mold: What Causes It and How Exterior Waterproofing Stops It at the Source

Mold isn’t just a cosmetic problem—it’s a symptom of consistent moisture intrusion. Many homeowners don’t realize that mold often forms long before water reaches the basement floor. This post explains how water enters the walls, how mold starts inside block cores, and why exterior waterproofing is the true long-term solution.