I'm going to refit an upstairs bathroom. There are joists and 1inch floor boards. Does the floor need special treatment before floor tiling? Is there any provision for problems (say, with plumbing) afterwards?
Camerart.
Hi L,
Floor boards not T&G.
So there will be a step up into the bathroom? or can I remove the floorboards, and screw down Hardie?
I have read that this would then need to be tanked, is this correct?
C.
For what it is worth my wet room corner shower is a DIY project using solvent welded plastic sheet and bar to form a shallow tray 800 mm by 800 mm in a wet surround area of 1200 mm by 1200 mm. This is set into the suspended floor of 12 mm marine ply wood and 8 mm oiled oak planks built above the ancient floor boards that are unsafe but as "historic fabric" cannot be removed.
The two corner walls are each formed from one piece of ABS sheet. The two corner edges of the surround are turned up behind the wall sheets to prevent water running off the surround.
The other two side have loose hung shower curtains that restrain the water into the tray but with some landing on the surround. After 5 years it is still problem free. That said it is not child proof should an un-supervised child ever got hold of the shower head.
Not quite sure off the top of my head but I would personally put down on top of the boards with powder adhesive and screws. Don't forget the tape and to feather that too. For a wet room you would then need to tank it with either WP1 or Mapei. You can't use dispersion on tip of tanking however so would have to be powdered on top of that for the tiles.
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