Spalling concrete is a common surface maintenance problem especially in older building, it is recommended to do necessary repair once spalling concrete is observe as it may cause danger to passerby.

Spalling concrete is largely caused by a natural deterioration process called carbonation. This causes the steel bars embedded in the ceiling slab to corrode, causing the concrete cover to crack and bulge.

Spalling concrete is generally a surface maintenance problem that occurs in reinforced concrete structures. If attended to immediately, it does not affect the structural integrity of building.