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Posted by Bill Gill on May 18, 2006, 9:04 am
terphenyl@hotmail.com wrote:
> After Hardibacker is set and screwed down, you have to tape the joints
> before tiling. They say to first fill the joints with the same mortar
> used to set the tile. Then, embed 2" wide high-strength
> alkali-resistant glass fiber tapein the mortar and level.
>
> Well, they recommend a 1/8in gap between sheet edges, so I'm going to
> fill that gap, and strike it off level with the board. What will the
> 2in tape be embedded in then? Otherwise, I have to not only fill the
> gap, but also spread more mortar on top of this for 2in and embed this
> tape.
>
> The tape and additional mortar take up space, so how do you level this
> extra mortar and tape with the rest of the board? Even if all you did
> was strike off the mortar flush with the board, and then just stick
> down adhesive-backed glass fiber tape, that tape would, just by itself,
> stick up.
>
> How do I get this level, when it takes up space and will make a bump?
>
The tape-mortar bump should be pretty low. When you put
a quarter inch of mortar on top to set the tile on it
should smooth out just fine.
Bill Gill
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