the first one - thinset mortar.
-------------- Original message --------------
> Are they talking about laying the tiles directly over the mesh with a
> thinset mortar or pouring a true old-fashioned mortar bed over the heating
> mat and then laying the tiles on that. With a mortar bed you wouldn't touch
> the mat with the trowel.
>
> ----- Original Message -----
> From: "Scott Hall"
> To:
> Sent: Tuesday, October 05, 2004 11:48 PM
> Subject: and a heating element, too
>
>
> >
> > and underneath tile in aforementioned bathroom will be one of those
> > heating-blanket-mat elements to keep the floor nice and toasty on those
> > chilly florida mornings. yes, there are some...about two a year.
> >
> > anyway, anybody else do this? I've read the on-line manual
> > (buyfloorheat.com) and I'm cool with laying tile, but I've never put the
> > mat under it.
> >
> > apparently, you roll out the mat and trowel-out the mortar and lay tile
> > like usual. but don't scrape the wire with the trowel. well, every other
> > floor I did, I scraped the floor with the trowel notches, leaving only the
> > mortar that squeezed through the notches. this is with tiny v-notched
> > trowels on 4 x 4 up to 1/4" x 1/4" square-notched trowels for honkin'-big
> > 16" x 16" floor tiles.
> >
> > so...have I been doing it wrong? the tile always held, some's been there
> > for almost 10 years without a problem. should I not be scraping the
> > floor? I tend to think not, as, though the mat is thin, the wire is still
> > thick enough that the coat of mortar I usually leave won't be thick enough
> > to cover and get the tiles to adhere. on the other hand, laying a big
> > thick layer of mortar is a good way to get uneven tiles, as well as a
> floor
> > a half-inch higher than it used to be.
> >
> > any thoughts/advice/experience available?
|