Getting conflicting inf on tiling project- HELP!!

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Old 08-11-05, 08:06 AM
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Getting conflicting info on tiling project- HELP!!

In preparing to tile my countertop and backsplash, here are some things I'm receiving conflicting info on :

1. One source says to use 3/4" plywood and THEN 1/4" backerboard as underlayment, other sources say just use backerboard. Also, if I go with the plywood AND backerboard, and THEN tile, the backsplash will end up extending out an extra inch and a half from where it is now. That would put the backsplash OVER the back edge of the sink.

2. If I just go with the backerboard, I've had one source say it should not be attached directly to the studs, and a bunch of other sources that say specifically to attach it to the studs using 1 1/4" glavanized screws or nails every 8 inches.

3. I've had one source say not to seal the grout on the countertop because food is put there, yet other sources comment on sealing the grout after 24 hours. Given that the countertop is exposed to water and other liquids, wouldn't you HAVE to seal it? And if so, what kind of sealer do you use?

4. Lots of conflicting info regarding a waterproof membrane. Where should it go, should I use the paint on type, and if not the paint on type, how do I secure it down so it doesn't move underneath and crack the tiles?
 

Last edited by tvshooter; 08-11-05 at 08:24 AM. Reason: typo in title
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Old 08-11-05, 09:51 AM
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hi
i just did mine i used a 3/4 in plywood as base
slap the ceramic glue on and laid the tiles then used wood trim along the edge
then used ceramic glue on wall and slap the tile on it
waited till dry and used grout with sealer in it and applied.
applied silicone bead along the counter and backsplash joint.
i used tile plastic edger strip where the stove meets the counter top
and job done and looks nice
 
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Old 08-13-05, 05:32 PM
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Anyone else?
 
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Old 08-15-05, 06:11 AM
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You can tile the backsplash directly to the drywall.
I vote for thinset from a bag, but this is one of few applications where stuff in a bucket would work.

for the Coutertop, it needs to be solid. I'd do 3/4" ply THEN 1/2" ply THEN 1/4" backerboard.
..Assumeing you are building a coutertop from scratch.
Use thinset from a bag, NOT the stuff in a pail... not any stuff in a pail.


In either case, use grout from a bag. Seal when it dries out good.

Dunno about the rest.
 
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Old 08-15-05, 09:59 AM
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Thanks, JPicasso. I'm also told to use a mastic thinset adhesive, is this correct? Can I use the same adhesive on both the countertop and the backsplash?
 
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Old 08-15-05, 12:08 PM
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I am no expert by any means, but I'm fairly good at regurgitating information I've read. I plan on doing what you're doing as soon as I finish up the other million projects I have going.

CAN you use the bucket stuff? Yeah.
SHOULD you use the bucket stuff? Probably not.
WHAT would an "expert" say? Use the stuff from the bag.

On the walls the "thinset mastic" in a bucket is okay.
On the counter, it is advised to use the real thinset from a bag.
I would just advise to use the bagged stuff since you won't have to purchase two separate adhesives, plus, it's better, and won't degrade if exposed to water. Mix up small batches and it's not really that much more work to mix it yourself. Cheap insurance against failure due to water.
 
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Old 08-15-05, 05:04 PM
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I never mentioned using anything from a bucket in my previous posts. I'm actually only aware of the stuff in a bag, cause that's all I've ever used, so no problem there. I just wanted to know if the mastic for the backsplash is also ok for the countertop. Thank you for all the help!
 
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Old 08-16-05, 05:22 AM
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Ah, it's a terminology issue then.

THINSET is the stuff in a bag, it's cement based or something. (bagged)

MASTIC is an organic adhesive, like glue. (comes in a bucket)

That's where I got the bucket from. Anyways, yes. Same stuff for counters as walls.
You want a modified thinset for this. Home Depot carries Custom brand. You want Versablend. It has latex blended into it. Other stores carry quality stuff too, just make sure it's latex fortified.
 
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