Problem????? [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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10-13-2006, 07:07 PM
I have been cleanimg the tile getting ready for grout in my tub enclosure. The problem I am having I must have got some mastic on the bottom of the tub and it has ground in and cant get it up. What is the best thing to get this off I have tried soap water bath tub cleaner, Can you guys help me

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10-13-2006, 07:18 PM
Mineral Spirits...or if it's really mastic (in a shower :shake: ) and your lazy like me, fill it with water and let it sit overnight.

10-13-2006, 07:19 PM
Is this stuff you bought in a tub, pre-mixed? If so, if this is also a shower enclosure, you may have other problems.

If it was honest to god thinset, try a mix of vinegar and water. It will dissolve the concrete.

If it is the stuff you bought in a tub, premixed, then flood the tub, let it sit overnight, and it will be pastey in the morning and you can wipe it off. That's why the stuff is not good around a re-emulsifies. Thinset cures (chemically changes) and isn't affected by water after it cures.