We recently moved into an old house and began remodeling it. When we pulled up the old vinyl floor we descovered that the adhesive was next to impossible to remove. The vinyl that we removed was placed on top of an old type of tile, thin but sturdy, we are going to lay new vinyl on top of this. Sanding it will work, however the mess and the time involved is extensive. We need to remove this before we can replace the vinyl. Any suggestions?