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Once more: battens - too low and your floor will rattle!

This subject seems to be a recurring "problem": battens on a concrete floor.

9mm battens

Hi,
I am laying 21mm thick solid French oak tongue and groove floor boards on a stable 21-year-old concrete floor. I've been advised to fix battens to the floor and then nail the oak floor boards to the battens through each tongue. What I am unsure about is whether I need to lay any insulation between the battens and if so, what sort? The battens are 9mm thick - just enough to secure the boards to. The planks have been in the room for about 3 weeks to acclimatise.

Recommended height of battens: 50mm

Thank you for your question. Are the battens really only 9mm thick?? That's way to thin for this method of installing a wooden floor, the nails alone should be 50 - 60mm long for the best and long term problem free result - and on 9mm battens the nails will hit the concrete, turning your wooden floor into a rattling one.

Various options here - depending on the width of your floorboards

Install "floating" on a combi-underlayment glueing the T&G's correctly (only if your boards are 100mm or wider and the whole floor does have many long lengths)
Recommended reading on the subject of Solid Wooden Floors: Solid Floors - what to note
Glueing your floor down with flexible adhesive
Using self-adhesive underlayment like Elastilon
Or installing higher battens first (at least 50mm thick and preferable 75mm wide)

Hope this helps

Kind Regards
Wood You Like Ltd
(check out our new Wooden Floor Installation Manual)

Wood You Like's Wooden Floor Installation Manual - everything you need to know about DIY wooden floors

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