I'm thinking of laying flooring in the basement, which has an uninsulated slab. I want a warm feeling, but due to ceiling height and uncertainty about the technique, I chose not to use Platon + parquet.

Now I'm considering laying tile with a wood imitation, directly on the slab. Not so warm to walk on, but visually a warm non-basement feel. However, I only find this type of tile in ceramic, like porcelain stoneware.

I've read that porcelain stoneware doesn't breathe as well as regular tiles made of, for example, stone aggregate. It's also laid with a thinset and is therefore less forgiving of unevenness in the substrate, which I unfortunately have.

Does anyone know if tiles with wood imitation are made from materials like stone aggregate, etc.?

Or maybe I have the wrong information about porcelain stoneware?
 
BirgitS
Thank you for the answer!
I'm a bit confused now :)
Is it the case that regular tile = ceramic, while granitkeramik is something else?
It's specifically granitkeramik that I've heard needs an extra flat surface.

Do I understand correctly that by choosing "not frost-resistant," I'm opting out of granitkeramik?
 
Granite ceramic or porcelain tiles, which is a more accurate name but not as common, are harder/denser in the material.

Think of a coffee mug and an unglazed clay pot, that's the difference.

If it has any significance for the floor, I'll leave that unsaid, but it seems far-fetched to me... yes, granite ceramic is denser, but I wonder if any significant amount of steam really passes through tiles...?

Thin-set mortar is used for larger tiles than approximately 20x20cm regardless of the tile, the floor should be level and smooth; otherwise, you'll run into problems immediately.

If you need to level the floor, use outdoor products.
 
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BirgitS
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BirgitS
As granite ceramics are denser, as Nino writes, they absorb less moisture and can therefore be used outdoors without breaking when temperatures drop below freezing. They are often cut after firing, which makes the tiles more uniform in size and allows for narrower joints, which is unsuitable on uninsulated concrete slabs.
 
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