A flat wall brush is the right tool for covering flat surfaces and large areas, such as walls, smooth doors, and paneling. They generally come in 3-, 4-, and 6-inch sizes and various bristle types that allow them to work with all types of paint.
Not all paintbrushes are created equal, nor are they all the right fit for every job. Use this guide to determine the best brush for your project. | By Jennifer Noonan, BobVila.com