More that 25 years ago a carpet was installed on top of a slate floor in our
foyer. The carpet installer told us that he used a water-soluble adhesive.
Wanting to go back to the slate floor, we removed the carpet. However, we
have considerable rubber backing remaining on the slate. We flooded the
floor thinking that the water would dissolve the adhesive. But the only
way to remove it is by scraping. The adhesive is 'rubbery' in that it
stretches before it lets go, sort of like a rubber band.
Can someone help identify this adhesive? And, perhaps suggest some type of