concrete prep

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  #1  
Old 09-28-08, 10:14 AM
mr.dave's Avatar
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concrete prep

My concrete slab is finally dry enough for me to tile it. now, I want to apply a latex seal of some sort to ..."lock it up." so it wont be in any way dusty. But here's the question...Is thin-set mortor gonna stick to this "treated" surface? AIO
 
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Old 09-28-08, 05:57 PM
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Don't seal it. Thinset doesn't like to bond to sealed concrete. If you do seal it, you would have to use a Schluter Ditra product over the slab, then tile.
 
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Old 09-29-08, 09:55 AM
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concrete prep

COOL! Thats one less step to do! I'll get to laying that tile .....in about a couple of hours.

woohoo!
 
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Old 10-12-08, 06:52 AM
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I really suggest a crack isolation membrane!!!!!

New pour concrete shrinks as it dehydrates, as it shrinks, it will have hair line cracks in the future, that is just the nature of the beast. Since residential construction, doesn't account for the control cuts found in most commercial pours, the concrete will eventually crack, and so will your tiles, if they are not set on a crack isolation membrane.
 
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