What underlay to use with Quick-Step laminate on wooden subfloor (levelled with ply)

4 May 2020
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United Kingdom
I'm about to install Quick-Step 8mm laminate on my ground floor which is pretty even and solid after I levelled it out with 9mm ply.

I already bought Vitrex premier wood laminate underlay boards 5mm from Screwfix , but after reading a bit on forums I can see some people recommend the 3mm heavy foam type underlay which has a DPF built in I think.

I'm not worried about using Quick-Step branded underlay just to qualify for the warranty , I assume me DIYing will be enough reason to void the warranty .

There are no known damp issues on my floor

So is Vitrex underlay is ok for my floor or do I need to get something else?


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