For those of you that have stamped concrete (the full-depth kind where they stamp-it right after they pour it), you’ve most likely run into the disappearing color problem. A couple of years after it’s installed, the color starts to wear-off. Give it a couple of more years and it looks as though you’ve got ugly gray concrete (with some imprints of a grout line).
Why does this happen? The simple explanation is this – all the color in this type of stamping is just sitting there under the sealer. Once your sealer wears off, so does the color. If your contractor colors the concrete before it is poured, then you’ll have better luck – but many times, contractors just pour gray concrete then throw a colored “powder release” onto the surface. This powder release is used to both color the top of the concrete (with antiquing highlights) and to keep the contractor’s stamps from sticking to the surface while he’s imprinting it.
We’ve got a simple solution for those of you that have the “disappearing color” problem on your previously stamped concrete. It’s our seamless spray application that we use to color existing concrete (typically installed with beautiful flecks of various colors). This past week we resealed a seamless spray job on a driveway in Bryan, Ohio that we did four years ago. When the customer originally called us back in 2006, she was wondering if we could solve the color problem on her stamped driveway and sidewalk (all the dark gray color had worn off and she wanted to restore the color). We corrected the problem and now four years later, she wanted to protect that resin-modified top-coat with another coat of clear seal.