12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Failure Fingerprint

Differential settlement

Parts of the foundation move by different amounts.

Act soonurgency profile
Typical location

Foundations, masonry, openings and connected finishes

Timing fingerprint

Progressive or following ground and drainage changes

Visible or audible pattern

Diagonal or stepped cracks, sticking openings and level change

Best separating check

Measure change over time and assess drainage and structure

Evidence that weakens this cause

Stable hairline finish crack only

Do not confuse it with

Open a side-by-side comparison

Finish crack vs settlementGeometry, material and change over time separate cosmetic finish movement from structural movement.