What effect does moisture have on the finishing process of concrete?

Moisture plays a critical role in the finishing process of concrete, and associated management is essential to achieve an optimal outcome. When concrete is poured, the moisture level within the mix is paramount. If moisture is too high, it can lead to problems such as excessive bleeding, where water rises to the surface, forming a wet film that can delay the finishing process.

When finishing techniques are applied to concrete, such as troweling or floating, the presence of excess moisture can make it difficult to create a smooth and level surface. This necessitates waiting for the moisture to dissipate before finishing work can commence or be properly completed. If not managed effectively, it can lead to inconsistencies in the surface finish and overall quality of the concrete.

Consequently, while moisture is necessary for hydration and curing of the concrete, it must be carefully controlled during the finishing stage to ensure the best possible results. Thus, the assertion that moisture can delay finishing if not managed properly captures the essential relationship between moisture and the finishing process in concrete flatwork.