The solvent-based acrylic sealers in both these photos failed due to over application. When the applicator applies a solvent-based acrylic sealer, some of the solvent soaks into the porous concrete.

When a concrete sealer does not look or perform as expected, the cause can usually be traced back to over-application, application in non-ideal conditions, or a build-up of multiple coats.

Step 6: Apply concrete sealer (optional). Following the same method as priming and painting, apply concrete sealer to the perimeter of the painted surface and then the field after it is fully ...