MDF for flooring is horrendous and I would replace with OSB anyway. You have two options, use something slightly thinner and shim it to the right height. Or use something slightly thicker and route channels in the OSB where required to take it to the right height.
Kristen242 t1_je7fmjf wrote
Reply to Complete novice, flooring advice needed. by icetfupson89
MDF for flooring is horrendous and I would replace with OSB anyway. You have two options, use something slightly thinner and shim it to the right height. Or use something slightly thicker and route channels in the OSB where required to take it to the right height.