Application Rationalization Process. An application rationalization process typically involves the following phases: 1) Asset Identification: Each application in the portfolio is to be evaluated to determine. its value and its costs, with the help of workshops and analysis activities.
24 to 48 Hours. You should wait at least 24 hours before grouting the tiles. You may notice that the edges of the thinset or the thinset showing through the grout lines looks dry. Don't be fooled by this. The thinset under the tiles isn't receiving as much air as the edges and is therefor not fully cured.
Roughly speaking, 30 days. Honestly, it would be best to wait that long to seal it. However, most people - and for good reason - don't want to wait that long. It's too easy for there to be something spilled on it. If you really want to do a bang-up job, do your first application of sealant after 48 hours. Then, 30 days later, clean the grout with a toothbrush, using a strong mix of bleach & water.