Can Vinyl Flooring Be Laid Over Concrete. Install a plastic vapor barrier. However some people prefer to add another thin layer of subflooring between the concrete and vinyl.

However some people prefer to add another thin layer of subflooring between the concrete and vinyl. How to lay vinyl flooring on concrete As you dont have to install underlay for Vinyl Flooring or LVT this can go directly onto the concrete subfloor. Use concrete filler or a similar floor patching compound to repair the damage.
Prepare the subfloor Repair cracks and holes.
However after a few years it is likely that you will need to replace your old flooring if you choose to try your hand at laying vinyl floor over old vinyl read this article first so you get the best results possible from your new floor. It can be confusing because many leveling compounds are marked as useable on a variety of surfaces including linoleum and vinyl. Second you may want an extra vapor barrier above the subfloor to reduce any risk of moisture. Also when used conjunction with the K91 wet adhesive.