Cork floor tiles

[longtompot]

Our building work has finished and now it's over to us to decorate and put down the flooring. We would like to put down cork floor tiles. We'd used them once before, but just in a small downstairs loo and they were cheap tiles from £1 land. I am happy to have 4mm tiles I've seen on various sites including Screwfix from Treeform, but dh has seen some that are 10mm thick.
If you have laid this as flooring, can you tell me what you used and if you are happy with it, or wish you had put down a thicker, or even a thinner tile.

We’ve got the thicker tlles ( in a lovely pale colour, not the orangey stuff from the olden days) and it’s been good. It was a great surface for a toddler to play on and it feels nice underfoot.

But: 15 years on it has worn quite badly in a few places. I think the recommendation is to use a special varnish on top but we never did that.

@Seainasive reading up a bit more and it appears it would need to be resealed every couple of years to help prevent it wearing out, but that's pretty good for a 15 year old floor though. I'm going to look at Floors for Paws & see how comparable it is price wise

I've been thrilled with my bathroom floor tiles. They were quite a decent thickness but it's so long ago I don't recall the details.