With dye, there is no chemical reaction with the concrete—it simply dyes the surface. Dyes can come in liquid form or as dry pigment, the latter to be mixed with a solvent (usually acetone).

Use it to stain their concrete floor. Let it dry. Run your nap roller again to give it a more vibrant color. 3. ... Plain Nap Roller Plus Mist This staining technique is also known as ‘misting’.