Stair-step cracks in block walls: settlement clues and when a crack is ‘normal’ vs structural
Introduction Stair-step cracks are diagonal cracks that follow mortar joints in block walls, forming a stepped pattern. They often point to movement in the wall due to settlement or shifting soil. In homes and foundations, these cracks can appear after changes in moisture or load. Not every stair-step crack is a sign of a major […]










