The instructions say to wash the floor and let it dry "thoroughly." The power washing was finished about 2 weeks before we started polishing. Other than running fans and having doors open, there was no HVAC running.
Yes, aqua shield penetrating sealer was applied. And I'm not sure that what we're dealing with is powdering, at least I as understand what powdering is. There isn't a powdery substance, or anything like that. Just marks/hazing/smudging that doesn't come up easily and then returns once it is...
We recently had concrete floors polished in a commercial warehouse/manufacturing building in Michigan and are trying to figure out why the finish looks dull, smudged, and film-covered in some areas.
BACKGROUND:
- The concrete slab is approximately 55 years old
- The concrete slab is...