Why is 2 coats better than one? Applying two base coats ensures better coverage over the canvas surface. The first coat may not fully cover the canvas texture or any underlying colour, especially if you’re using a light color over a dark background. The second coat helps achieve a more consistent and even surface, reducing the chances of the canvas peeking through the paint. A second base coat improves the adhesion of subsequent layers of paint. It provides a better surface for the subsequent la