Hairline cracks are thin, shallow, and often cosmetic; structural cracks are wider, migrate through layers

https://storage.googleapis.com/home-fix-hub/best-masonry-contractors-edmonton-2026-depend-exteriors.html

Hairline cracks are thin, shallow, and often cosmetic; structural cracks are wider, migrate through layers, or shift over time. Measure width, monitor growth, and inspect nearby framing to determine repair urgency.