Weep Holes Are Not Optional:
A Hard-Learned Lesson in Moisture, Masonry, and Structural Risk Moisture intrusion remains the most persistent and underestimated cause of masonry deterioration. The evolution of the weep hole—from ignored void to critical drainage element—reveals a long history of builders misunderstanding how water actually behaves inside walls. This article traces the shift from ventilation-based thinking to drainage-based…
