What technique is commonly used to achieve a smooth finish on wood surfaces?

Applying multiple thin coats of finish with sanding in between is an effective technique for achieving a smooth finish on wood surfaces. This method allows each coat to dry thoroughly, which helps to eliminate imperfections and build up a uniform layer of finish. When sanding between coats, any roughness, dust particles, or bubbles can be removed, creating a flatter surface that enhances the overall appearance of the final finish.

Multiple thin coats provide better control over the finish application and reduce the likelihood of runs or drips that can occur when a thick coat is applied. Additionally, the layering method contributes to increased durability and a more aesthetically pleasing sheen, as each coat adheres well to the previous one when properly sanded.

In contrast to this approach, applying one thick coat often leads to an uneven surface and longer drying times, making imperfections more difficult to manage. Relying solely on a power sander might not achieve the same level of smoothness if the proper finish application techniques aren’t utilized. Similarly, soaking the wood in finish is not practical for most woodworking projects, as it can lead to an overly saturated surface and other issues. Thus, the method of applying multiple thin coats with sanding in between emerges as the most reliable for obtaining a smooth, professional finish.