Cabinet Spray Painting Step 2 in Refinishing Process. We use Bonding primer if the surfaces have not been painted, and Shellac sealer if stains are showing through. Plus 2 top coats of Sherwin Williams Emerald Urethane. More then just kitchen Cabinets. we average about 3 cabinet repaint per month. Average cost with material and labor $793.00 Graco Cordless Sprayer Foam Sanding Blocks This is the Sherwin Williams paint we use for cabinet and trim repaints The Spraying process video..