What is the best wall paint brush? There are a few things you should keep in mind when buying wall paint brushes specifically for walls. The first thing to keep in mind is the size of the brush available. If you plan to paint a larger portion of the wall, the larger sizes (usually 3", 4" and 6") will be more beneficial. If you want to do more complex work, such as distressing, look for a smaller size brush (or a brush set that contains one). Another thing to remember is the material. Nylon - polyester blends are the most popular overall choice and are a good choice when working with walls. In addition, brushes with soft or medium-stiff bristles tend to provide the best results when trying to create a smooth surface. The best way to paint walls with wall paint brushes Once you have your brushes, it's important to know how to use them in order to provide the best results for your walls. Here are some tips to help you learn the best way to paint your walls using a flat brush. Use a smaller amount of paint - dip the bristles about 1/3 of the way into the paint, then tap the brush on the side of the can to remove excess bristles. This will prevent you from applying too much paint at once and creating an unnecessary mess. Hold the brush at an angle - it is recommended that you hold the brush at about 45 degrees. This will help you maintain control as you paint. â?? Distribute your paint- Once you initially apply your paint, you will want to start pushing it horizontally across the surface. This will help create a smoother surface. Try feathering- Lift the brush off the wall at the end of each brushstroke. This will help prevent any marks or lines from being left behind. Flat wall paint brushes, traditional flat brush used by painting professionals to apply emulsion paints and for pasting wallpaper.