Floating floor on floating floor

24 Sep 2005
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United Kingdom
Happy New Year to all.
My lounge is 6m x 4m.
Concrete floor with dpm, then 50mm polystyrene, then floating chipboard flooring with glued-joints .
The wife fancies t+g pine flooring on top.
Is this possible?
If so, would it be floating with glued joints, invisible nailed to the chipboard, or glued to the chipboard?
Or just carpet it!
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Chipboard, especially when it has the standard moist-repellent surface is a pest. You can't fully bond a wooden floor (or anything else) to it, nailing into it is not recommended (not enough grip), so that leaves floating.

And with floating a solid floor some rule of thumb apply. 6 by 4 is a large area, you need at least an expansion gap of 20mm all around.

Better idea would be to switch to wood-engineered floors, much more stable etc.
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why not pull up that horrible chipboard and burn it?

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