Which finishing operation is used to produce a level surface before final finishing?

• A. Screeding
• B. Troweling
• C. Brushing
• D. Polishing

Answer: (A)

Screeding establishes the level surface on fresh concrete by pulling a straightedge across the surface to strike off excess material and true up high spots. This creates a flat plane that serves as the baseline for all subsequent finishing steps. After screeding, you typically float and then continue with troweling for smoothness, while brushing adds texture and polishing is a later, post-curing process for a final glossy finish. So the operation used to produce a level surface before final finishing is screeding.