New Grout

[Butch1957]

I have laid down some new tile on the bathroom floor around a month ago and I have not sealed it yet. I Jumped the Gun a bit, I started sanding the ceiling with light sand paper where I had applied mud when I taped and floated and this created white dust particales from the drywall landed on the new floor. I moped up the floor in hopes of getting rid of the white powder and I noticed that the ocean blue grout is no longer ocean blue. Apparentely some of the white powder has gotten into the grout and it faded it to almost a " white " ocean blue. So now I am facing this problem. Should I apply a slight layer of grout on top of the existing grout in hopes of getting back the color ? By doing this would the grout stick to the existing grout ? Keep in mind that I have not applied any sealer. :fim:

Or is there anything I can use to bring out the original grout color ?

What would be best in this scenario ?

Please respond !

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[az]

Butch, don't panic! The dust has most likely not caused any damage to your grout. Simply try to vac it out, and if that fails contact your local tile and grout professional cleaner to get it cleaned up. There are a couple of ways to try to do this yourself, including a grout brush (home depot), some water and a shop vac. Get it wet, scrub, flush with water and vac it up. You can also use a steam machine (commonly used for a myriad of cleaning applications, do a search online). Any other questions feel free to ask, or even call me.

Kerry

[Butch1957]

What I wanted was to bring out the blue in the already laid grout. I wanted to get it back to its original dark blue color. If i was to lay a slight coat of grout over the existing one would it stick to the one that is already laid ? Would there be a cleaning solvent that I could use to darken it up prior to sealing it ?

Thanks for responding on my first thread.

Please respond back.

Thanks again.

[Davestone]

Don't grout over the old grout, and don't use a solvent,both will be fruitless.Drywall dust can be very small in particles and hard to get out of grout, but like said a grout brush and some water along with a wetvac may work.Some enhancing sealers will darken grout but i would try cleaning a couple of times first, then if this doesn't work try a test spot with the enhancer, it may only darken and not bring out the blue so well.

[Butch1957]

Thanks Davestone, I appreciate your input. I do what you suggested.