Laying Vinyl Tile Over Concrete Floor. Repair any holes or cracks. However, some people prefer to add another thin layer of subflooring between the concrete and vinyl. You can keep installing the tiles working from the center towards the walls.
So technically, if you are installing vinyl plank flooring onto concrete you already have a subfloor. Conduct a moisture test on concrete floor. First, apply a concrete leveling primer to the entire floor with a push broom.
Gallery of Laying Vinyl Tile Over Concrete Floor
Don't worry—it looks a lot worse than it is. Check to make sure the vinyl is in good condition and firmly glued to the concrete subfloor. Laying tile over vinyl flooring on a concrete subfloor: Repair any holes or cracks.