I'm ready to lay down 16x16 tiles for a fairly large area. Is it
necessary to put down thinset on the substrate and also back butter the
tile or is it enough to do just the substrate then lay the tile? I've
asked several people and get conflicting answers. Thanks.
On 25-Jul-2005, email@example.com wrote:
For a given tile do one or the other, but not both. Generally you'll want to
thinset the substrate but in a few cases it's easier to butter the tile.
Usually with smaller pieces that it's hard to get a notched margin trowel into
the area on the floor. You may not have any pieces like that at all.
If you do mix the two methods be sure to beat in the tiles carefully to ensure
they are level.
I've read back buttering is easier on amateurs but I didn't find that to be the
case. It's enough of a pain maneuvering 16 sq in. tiles into place w/o the
added weight of the thinset on them (I actually had 18 in sq. tiles). I think
you'll also find that positioning the tiles once they are on the bed is easier
than it looks. They just twist right into place.
On thing about back buttering is that you dont easily end up with
empty pockets of air under the tile. I sort of do a little of both
I lay the thinset on the floor, and then on each tile placed I put a
small amount of thinset in the center. This sort of makes the problem
of air being trapped under the tile go away.
On thing is make sure that you subfloor is strong. Using a good
is the next best investment.
I usually do both also.
I like a back butter the cement so the back looks as smooth as the
front. The biggest problem with this techqiue is the grout lines
sometimes will fill with cement. I perfer to have a handfull of q-tips
handy or clean them out with the edge of a spacer.
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