Removing old floor tiles under carpet, black stuff
I took over an old house that had industrial carpet glued to the floor, after cutting and pulling this all up some of the floor tiles (did not know this was under it) came up also. So I started to pull up the old floor vinyl tiles. Now some of them are pretty tough to remove and I have to chip it off in pieces , some just come up in one piece. However, now I am left with this horrible black stuff (glue I gather) on the floor. Is this harmfull should I remove this before installing the laminate flooring throughout?