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The box store self-leveler appears to be concrete mix + latex primer + water based adhesive.
I once used it for a vinyl tile condo floor but primered with (hard Killz or 123?) and screwed luan over it with grouting the gaps and another layer of primer.
It did need to be hand smoothed and level checked.
It will crack when thicker than 1/2"-1", kinda chalky, and is not a great final surface for adhesion etc.
Maybe the top layer of plywood could go over that?
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Meanwhile other things are still happening.
Last edited by john70t; 11-30-2021 at 11:10 AM..
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