Suspended floor prep advise.

12 Jul 2008
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United Kingdom
I’m having a right head ache planning a tiling job any advise would be awesome!

I’m taking a wall down and wanting to lay underfloor heating and lay parquet flooring tiles to a 60m2 area.

The whole area is suspended floor and I’m planning on fitting wet underfloor heating by lifting some floorboards and relaying with the same thickness board that has the grooves pre routered for the wet UFH. This will give me the same height over the whole area.

Do I need to add extra piles under the joists to stop any bounce there may be? What’s the best way to achieve this?

What about prep for tiling? I’m going to pay a tiler but want to make sure all the prep work is perfect. Can I lay 6mm no more ply glued down over the UFH floor boards? I’m not wanting to screw for the obvious reason of risk to hitting a pipe, but would screwing be better aswell?
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