What is the purpose of using a tack cloth before painting?

Using a tack cloth before painting serves the important purpose of removing dust and debris from the surface. This step is crucial because any contaminants present on the surface can lead to imperfections in the paint application, such as nibs, splotches, or a rough finish. A tack cloth is specifically designed to pick up fine particles, which ensures that the surface is as clean as possible prior to painting.

Preparation of the surface is a key factor in achieving a smooth and flawless finish. By using a tack cloth, you enhance the adhesion of the paint to the substrate, ultimately improving the durability and quality of the final result. It's an essential part of the refinishing process that helps to prevent defects and ensures that the application of paint is done on a properly prepared surface.