Spalling concrete a most generally having issue on any buildings. The major reason of spalling concrete is due to carbonation, a natural deterioration process. This causes the building concrete's steel bars embedded in the ceiling slab to damage them, which in turn causes your building's strongest concrete cover to start crack and deformations. A spall is defined as flakes of material that are broken off of a larger solid body. Concrete spalling typically begins when the steel reinforcing