How long does Grout renew last?
Keeping this in view, how long does grout colorant last?
Subsequently, question is, does grout paint really work? Painting a grout tile line requires paint specifically made for grout. It's more of an epoxy colorant than a traditional paint, and once cured, it will last for many years. Regular wall paints are not intended for use on grout and tend to peel off or not adhere at all.
Furthermore, how long does PolyBlend grout renew last?
between five and eight years
Can you put grout on top of old grout?
While it's possible to apply new grout over existing grout, the results are usually less than satisfactory. Since the layer of new grout would be very thin and vary in thickness, it may not adhere well and the old grout could show through. Removing grout from a tile floor is not nearly as difficult as it used to be.