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’.

Water-based latex paints are available, though color choice is limited ... for finishes that penetrate, like stain. Using epoxy on concrete floors produces a particularly durable finish.

but may offer a more limited color palette. Furthermore, like most types of stain, there are different levels of opacity.