backerboard dry time

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Old 11-23-08, 02:04 PM
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backerboard dry time

I have laid my backerboard down with thinset and screws. Do I HAVE to wait 24 hours to begin tiling, or can I wait say 12 hours?? My wife is terrified my foyer won't be ready to walk on by thanksgiving!!! Please advise....
 
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Old 11-23-08, 02:31 PM
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You can begin tiling soon as the board is secured. No need to wait, unless you are tired...

Forgot to mention you can tape your board seems as you tile.
 
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Old 11-23-08, 03:04 PM
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Do I have to tape? I saw posts which said it isn't necessary. I was going to force thinset in seems as I tiled. I am doing a 6' x 11' foyer....
 
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Old 11-23-08, 03:16 PM
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Per manufacturers instructions, you need to tape. I tape as I go, and it doesn't take much time at all.
 
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Old 11-23-08, 04:05 PM
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Another question... I was just reading to leave 1/2" at the baseboard and 1/8" between backerboard sheets. I cut everthing to be flush and DO NOT want to go back and recut anything... Is this necessary, or just a suggestion to have room to play with? Almost ready to thinset, so any advise is welcome!
 
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Old 11-23-08, 04:16 PM
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You could probably get away with 1/4" at the walls. The gaps are there because the boards will expand and contract. If they are butted up against each other, or wall, they have no room to move.
 
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Old 11-23-08, 04:49 PM
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Ok, ok... I will be very "thankful" when this is done!!
 
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Old 11-24-08, 07:39 AM
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Do yourself a favor. I dont know what kind of cement board you are using, but they all have installation instructions on line on their websites. Take the time to read the instructions as there is a lot of good info their and you wont be making any installation mistakes if you follow the instructions.
 
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