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Sounds like you have understood the process.
Remove existing tiles
Remove damaged sub floor (probably ply, possibly some kind of tongue and groove OSB).
Fit 18mm ply subfloor fixed to joists at 200mm centres with countersunk screws
Screw heads filled and sanded
Lay cork tiles on adhesive recommended by cork tile manufacturer.You have a choice whether to remove the skirting first.
I wouldn't under estimate the screwing down and filling of screw heads. On some floors this whole process adds a days labour. I use a 2 part filler because it worries me that a powder filler can break up but I do feel sorry for anyone who has to undo it. It's pretty normal for a thin ply layer to be attached to an exiting subfloor if it's in reasonable condition. With any glued cork or vinyl tile floor the sub floor must be very smooth and very clean when the floor is being laid. Easier to do with tiles than it is with a huge sheet of vinyl.
Airhead-
Screw heads filled and sanded
How come?
To prevent them moving up over time with temperature / humidity changes in the ply? Or so there is no "low" spot?
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Great. And with cork tiles, are they all the same or is there a brand I should aim at and a treatment I need to apply?
I think removing the skirting might be overkill, but if the toilet,sink, bath panel etc are all coming up to take the tiles and flooring up....
hugo7
Chalfie
@Airhead : sorry for cork bathroom repetitive chat.
Our bloke is coming round to run through the multiple jobs we'd like him to do (wardrobe in one room, pipe boxing, and get rid of the tiles in the bathroom.
We'd like cork floor. Tiles. As they look like the best way to replace them. In an earlier post you said something about solid floors.
Should we:
rip all tiles up (yes)
replace the mdf/whatever it is under the tiles (as i think that's got wet and is causing the tiles to pop up or the cement/glue has got wet and is dissolving.
put new base down
then put cork tiles down
OR
A better way?
Bathroom is splashy.