Unsanded color grout, color turns whiteish


Old 01-07-04, 07:57 PM
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Join Date: Jul 2003
Location: Garden city mi
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Unsanded color grout, color turns whiteish

I work for a tile company, we don't use it very often but when we do use color unsanded grount such as black raven and coffee. the color after it dries turns whiteish in alot of spots. we mix it like were suppose too. mix wait 10 mins remix. my boss has been tileing for 20 years and he can't figure it out and tips? we tried mixinglatex in the grout helped some not enough tho
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Old 01-08-04, 06:59 AM
Join Date: Nov 2000
Location: Austin, TX
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Too much water when you wipe down. Will wash out the pigment.

Too much water in the mix. It will flush out the pigment ans it dehydrates.

Too much latex in the mix. Mixing and bags, instead of the entire bag, can put too much latex in the mix. Same with adding more latex to an already latexed dry mix. The latex comes to the top and leaves a milky white or lighter color.

Efforesence from a newly poured or moist concrete slab.

Or your trying to grout too fast after setting the tile. Not letting the setting mortar, completely dry first.

I'll post back if I think of anything else.
Old 01-08-04, 01:11 PM
Join Date: Nov 2002
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Dump the entire bag into a bucket and mix it up with NO water, then mix the batch size you want. During shipping and handling things will separate and settle.
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