The presence of a powdery dusty material on the surface of a new hardened concrete slab.
A hole in a concrete surface
Small cracks in the surface of the concrete which can be combined with drying shrinkage cracks.
Breaks in the concrete in areas other than those that were placed intentionally.
Spots, light or dark patches or change in the color of the concrete from pour to pour.
A large number of small connected cracks in the surface of the concrete.
When a thin layer of the hardened concrete surface breaks away. This usually happens within the first year after placement.
Small bumps in the surface of the concrete that appear during the finishing process.