Answer
Aug 28, 2020 - 11:31 AM
Power troweled concrete is used in all the new large box stores and you can see stains all over the place. They are difficult to seal because they are almost completely non-porous and have little to no tooth. As a consequence, neither penetrating sealers nor topical sealers will work very well on them unless they are acid etched or mechanically ground which defeats the whole purpose of a nice smooth concrete. Short of using an epoxy, there are no water-based non-toxic topical or penetrating sealers that we know of that will work well over this type of surface AND prevent hot tire pickup. If you find something, please let us know.
