On 24/05/2018 18:04, DerbyBorn wrote:
Need to do up our bathroom. Thinking of replacing bath with a shower - not
going to Wet Room - but possibly a large rectangular tray with some "drying
off space"

Current floor is tongue and groove with carpet tiles. I know I really need
to cover it with ply - but wary of creating a step. I am considering
Kardean or vinyl flooring.

6mm ply would be adequate for Karndean. I just did two bathrooms with
it. Started with ply screwed down very well (all edges and 6" spacings),
then a feathering compound on top.

What can I get away with on the tongue and groove.Is there anything like a
levelling compound for wood? Fairly wide gaps between the boards

You could use levelling compound - but ply will be better.

Remember the Karndean is only 3mm thick so the total thickness will be
less than a carpet with underlay.

Also - if I take the tiles off my plasterboard walls I guess it will wreck
it. Considering a panel wall covering. Would you remove the tiles or leave
them on. Any recommendations - or things to avoid?

If they are sound and level you could tile over. You could strip the lot
and re-board. Or rip em off, and skim it flat (even if not pretty) and
tile that.

--
Cheers,

John.

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