[Cob] tile over earthen floor

[Barbara Roemer]

Hello, Pavel,

We have an earthen floor into which I laid some terrazzo tiles both
adjacent to the bathtub and to the back door where there is traffic that I
thought the earth floor might not withstand as well.  I used the same
sticky red clay that we'd used for the floor, without the linseed oil, to
adhere the tile.  Worked great and is entirely secure 15 years later.  My
situation is a bit different from yours: I reserved space for the tiles to
be set within the earthen floor by cutting a piece of plywood to the same
depth as the floor and the same dimension as the tiles I wanted to use.  We
poured and packed the earthen floor with the plywood spacers intact, and
then removed the spacers to spread the reserved space with really gooey
clay into which to set the tile.  I also grouted the tile with the gooey
clay to which I'd added linseed oil so the grouted areas would match the
earthen floor.  That, too, worked perfectly.

Barbara

>
>
>  >> 1. Clay tiles over earthen floors (Pavel Velikodvorsky)
> Hello everyone! I have a subfloor made of cob and want to lay tiles over
> it. Does anyone have an experience on the matter? The first thing I
> thought I will pour some concrete sublayer over existing cobfloor, to
> leveling and straighten it. But then I've read Ziggi's (
> theyearofmud.com) post on how he tiled his earthen floor using clay as
> adhesive. And I thought, maybe that is the way? What do yoy guys think?
> Basically, will it stay in place? :)
>
>
>
>
>
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> End of Coblist Digest, Vol 14, Issue 5
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-- 

We are stardust,
We are golden,
We are billion-year-old carbon,
And we got to get ourselves back to the garden.

                                                   -Joni Mitchell