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Earthen floor on top of ceramic tiles

 
Posts: 49
Location: Northeastern Spain (Mediterranean, zone 9b)
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Hi,

Could an earhen floor be layed down on top of ceramic tiles (the kind that have a glassy finish like in a bathroom) ? Or would it be better to remove them to go back down to the concrete slab ?

Thanks for your input.
 
Rocket Scientist
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Glazed ceramic tiles would totally keep moisture from coming up through the concrete, if that is a possibility. They might give less friction bond between the earth and the base - whether this matters probably depends on how thick you are planning to make the earth layer.
 
Alex Apfelbaum
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Glazed ceramic tiles would totally keep moisture from coming up through the concrete



Is that a good thing? Or does an earthen floor need some moisture input from below ?

I was worried about the bonding between the two surfaces, it seems only a think layer would prevent cracks ?

Here is a photo of the floor :

 
Posts: 525
Location: Northern Germany (Zone 8a)
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hey, thank you for this thread.

i m in a somewhat similar situation. the concrete floor is painted with a glossy, plastic paint for floors. i am wondering, if one could add insulation under an earthen floor.


i m pretty sure that moisture from below is a BAD thing. i discovered that our concrete floor is slightly wet in one area and i m not sure if it s from below or condensation water.somewhere near that corner must be the sink hole for the roof-gutters, so i ll need to check that.

i would not assume that there is much bonding between eathen floor and glossy surface. but would you need that? i mean, an earthen floor is like one massive adobe brick that lays on the surface. if it s thick enough and has fibres, it would be sturdy.

would you have the time to try a small test batch?


have nice and blessed easter holidays!
 
Alex Apfelbaum
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I plan to do some tests on a small surface. I guess the underlayer of gravel usually used as a capillary break would be unnecessary in this case.

I'll report back with the results.

Happy Estear !
 
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Did you try this out? What were the results? I'm considering doing the same.
 
pollinator
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Alex, I found this when I googled the subject
https://permies.com/t/2984/Earthen-floor-concrete-slab
 
master gardener
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Hi Bradley,

Welcome to Permies.  I notice that Alex has not posted in  any years.
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