Can You Stain over Stained Concrete? (How To) DIY Geeks. You can restain colored concrete, but you must use acid stain to get the best results. If you use regular stain, the stain won’t penetrate the old finish. That’s because of the hard nature (texture) of the concrete. Also, you must use the same (or similar) color because new coating won’t penetrate the old coating, so the. See more

WebThe only true type of concrete staining is acid staining, which seeps into the concrete's pores to actually become a part of the concrete surface. You.