Replacing wrong color grout - 900 SF of tile

Lonidier

I just had 900 SF of 18" porcelain tile installed and they used the wrong color grout. It is bright white and was supposed to be light tan (Tec - pearl), which is very similar in color to the tile. I wanted the grout to blend with the tile for a uniform look, but instead it looks like a checkerboard. Is it possible/practical to grind out the existing grout and re-grout with the correct color? The same problem occured on the kitchen backsplash as well. Thank you.

angus242

Lonidier, that's A LOT of grout to remove. It's a very messy job. I'd vote a big NO for that choice (unless the contractor will do it at no charge)

A less costly and messy solution would be a grout colorant. It's like staining the grout:
http://www.aquamix.com/products/pg_d...5042&pgid=8374

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Lonidier

Thanks for your reply. Are the grout colorants permanent, or do they need to be re-applied periodically? I have not made the final payment to the tile company yet.

angus242

It's as permanent as it can get. Grout on a floor will get dirty but the color itself shouldn't fade. Actually, the colorant acts as a sealant to the grout itself. It's not a bad option.

Before you make any decision, talk with the contractor to see what they offer as a solution.

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Lonidier

Forgot to mention - I already sealed the grout, using Aqua Mix Sealers Choice Gold. Would that prevent the grout colorant from working?

Bud Cline

Hand it back to the contractor and let him correct the problem if it is his mistake. Once the grout is sealed a topical colorant will probably be required.