A hot iron with cloth to protect it from the vinyl might do it.
: Trying to remove sheet vinyl ,from concrete substrate
: in den and kitchen.
: It is glued at the joints about a foot on each side.
: I am having to peel the vinyl layer up then soak
: the backing material to loosen the mastic with a scrapper.
: Is there a "mild" chemical solution that will break
: the mastic faster than soaking with plain water?