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Is this the right forum to post a ceramic tile question?My question concerns pre-mixed grout.Is it inferior to self-mixed grout?I used it to regrout my shower and weeks later I see cracks in places.
Thanks.I think it was unsanded grout with some lines exceeding 1/8".walldoc said:premixed grouts belong in the same category as the premixed thinsets, that would be "J" for junk!
As Mike stated most of the time cracks in grout lines is caused by movement in the base. You shouldn't use an unsanded grout if the grout lines exceed 1/8". Stick with Custom or Aqua-mix products, been using them for years with excellent results.
hello, tile wall grout cracking is it it the corners only? if so thats natural--just caulk the corners,thats a must anyway. if you are experiencing all over than you probaly didn't force enough in the joints. to fix that problem gently with utility or 5 in 1 or grout scraper remove loose grout and regrout not a big deal. now if your durrock is not properly fastened thats another problem. hope this helps. and by the way i like to mix my own grout, you did use unsanded grout for the walls didn't you?KnightofTexas said:Is this the right forum to post a ceramic tile question?My question concerns pre-mixed grout.Is it inferior to self-mixed grout?I used it to regrout my shower and weeks later I see cracks in places.
Well first let me ask you is it a sanded or unsanded grout? One of the problems could be that you're overwiping your joints if it's sanded. If it's unsanded you probably have too much water added. I recommend to about the consistancy of a brownie batter, however make sure you scratch the top layer of old grout off before you regrout, or it won't last anyway. I highly recommend you use premixed latex grout so as to not mess up the consistancy. Contractors use to only mix it themselves in the olden days when latex additives first came out, however you can still buy them that way at home stores. Any respectable tile wholesaler wont sell it separate.KnightofTexas said:Is this the right forum to post a ceramic tile question?My question concerns pre-mixed grout.Is it inferior to self-mixed grout?I used it to regrout my shower and weeks later I see cracks in places.