The document discusses different concrete finishes that can be applied to buildings. It describes how concrete finish protects buildings from the environment and improves aesthetics. It lists various formed and unformed finishes like smooth, exposed aggregate, brushed hammer, blasted, and acid washed finishes. Special finishes like glass fiber reinforced concrete and textile concrete are also mentioned, which provide strength and allow for detailed ornamentation and textures. These finishes enhance the appearance and durability of concrete structures.