Concrete wall – cracks
Causes
Listed under: Exterior, concrete and cement, cladding, walls, wall cladding, solid concrete wall
Cause
Shrinkage
Repair
- monitor crack width to see if it becomes wider
- for hairline cracks, fill with an exterior grade filler; paint the concrete with a high-build acrylic coating
- if cracks are wider than a hairline (greater than 1–2 mm) consult a chartered professional engineer