I don't know what kind of adhesive you found under that sheet vinyl you removed but I'm very sure it's NOT cutback adhesive. First of all, the black glue is not water soluable. Cutback is the tar-based adhesive that was used under asphalt and vinyl asbestos tiles. It's still used today. Never under sheet flooring, unless by mistake or someone removed the old tiles and decided that since the black stuff was still tacky........?
If the adhesive you removed was water based, most likely it was what was know as linoleun paste. It was dark brown and unlike cut-back would actual dry and become brittle. Or if you're sure it was black, maybe it was paste that had mildewed because it wicked moisture from your concrete?
Removing well bonded sheet goods from concrete is never much fun. If you have the proper tools it's usually doable by some homeowners. The idea is to never dry scrape backings that might contain asbestos. You are instructed to keep to floor wet then put everything in double plastic bag, tag with a warning note, and then dispose properly. Find out from your town what all that means.
As for this abatement business, many people in our business think it's blown way out of proportion. But many companies are making good money doing it and with all the lawyers around and "a little junk science" (EDIT: Jaz expressed an opinion.) thrown in, they have most homeowners scared. Today most flooring companies won't remove old floors such as this, they can't afford to.
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Last edited by Square Eye; 08-04-2006 at 12:10 PM.