Diy Concrete Floor Paint . Clean the concrete surface with soap and warm water, removing any old paint. Tiktok video from etuk edward (@eddyflipit): 12 Painted Floor Ideas to Inspire Your Next DIY Project Painted from in.pinterest.com How to paint concrete floors: Second, rustoleum makes a grey textured spray paint the looks like stone or granite. The grainy texture makes the surface look and feel very much like stone or concrete.