How to Paint and Stencil Old Tile ✨STENCIL TIPS✨ Use a stencil brush when you are are using a stencil with small openings or for multicolor stenciling. Using a stencil brush works great for shading and also for tight edges and corners. >>> Pour your stencil paint onto a tray. Dip the stencil brush tip into the paint (only about 1/8") and then swirl it on the tray to evenly distribute the paint into the bristle tips. Off load the excess paint onto some folded paper towels. The brush should appear