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Posted by Paul Franklin on October 4, 2007, 5:32 pm
On Thu, 04 Oct 2007 13:00:33 -0700, poison_1024@yahoo.com wrote:
>wrote:
>> On Wed, 03 Oct 2007 04:08:06 -0700, poison_1...@yahoo.com wrote:
>> >Do you tape the joint with joint compound or thinset?
>>
>> >Or should I just tile the entire wall in the shower area all the way
>> >up to the ceiling?
>>
>> You can tile it all the way up if you like; probably easiest and most
>> durable.
>>
>> If you want to transition, here's what I do.
>>
>> I plan the transition so it falls about 1/4 to 1/2 inch below the top
>> edge of the top row of tiles. I just leave an open joint; no tape,
>> mud, thinset, or the like. I then tile the area, being careful to hold
>> the thinset back on the top row so the tile is only adhered to the
>> backer board. Then instead of grouting the very top joint between the
>> drywall and the tile, I use urethane or silicone caulk after the
>> drywall is painted. This has worked very well for me.
>>
>> HTH,
>>
>> Paul F.
>
>That sounds reasonable but I'm curious as to why you wouldn't put a
>little thinset on that small 1/2 inch section of sheetrock? I think
>the caulk at the top certainly sounds reasonable.
Anytime you have two dissimilar materials they are likely to move
slightly relative to each other with changes in temperature and
humidity. By not using thinset on the sheetrock edge, it allows for
this motion. The caulk is flexible so it can tolerate the movement.
Is it a huge deal in this case? I doubt it, but it's easy to do and
it's held up well for me.
Paul F.
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