We've replaced the floor boards in our kitchen with 18mm ply + a 3mm layer on top. I wouldn't use OSB.
Is that based on the location (kitchen) or based on the material generally?
Both. Osb is crap and especially prone to falling apart when wet
@andos started
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We've replaced the floor boards in our kitchen with 18mm ply + a 3mm layer on top. I wouldn't use OSB.