If your grout has permanent stains or a blotchy appearance due to improper installation, grout color sealing may be the solution you are looking for. With our grout color sealing services , we can match your existing color, or we can change the color of your grout to any color you want and give your floors a completely different look. Plus, color sealing actually prevents staining, a very common grout problem. with constant-acting mild insecticides and fungicides, you grout stays cleaner and healthier than unsealed or clear sealed grout.