basicly you trowel it on then just roll it with a roller pre wetted with adhesive
I've never done it with vinyl tiles but I have had to do something similar with Polyflor and a double drop technique. I double dropped it because...
I was told to drill & plug ply in the exact situation for a carpet shop I was working for years ago. It did work and I never had any comebacks...
5.75 would be ok but if you mix too thin the heavier particles in the screed will sink as it is setting, the screed will not be as strong and it...