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Originally Posted by Fekin  Isn't marine ply any good.... never used it, so I have no idea. |
Marine ply is still timber Feks and as such it will expand and contract with the differing moisture levels in the shower room.
Being marine ply means the adhesives used to manufacture it are much more resistant to delamination than "normal" ply but as it is wood, it will still "move". Not good for tiling as you know.
