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[email protected] empress2454@wowway.com is offline
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Default Tile over "tacky" concrete?

solvents evaporate, thats the nature of solvents, patroleum products
are only partialy solvent though and so if you use something and don't
want any residual chemicals to soak in use an alchol based cleaner or a
pure solvant. some brake cleaners are a pure solvant, but lately
companies have been cheapening the stuff with amonia instead of hexane
and they are leaving residues now. fingernail plish remover would be
great, but expensive inthe amounts you need. turpentine would be fine
as it is a remover to start with.
Empressess #124457


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Tim Fischer wrote:
Hi all,

We're just about to start a small tile job (45 sq ft bathroom). Last night
we tore up the ugly vinyl tile floor. It came up pretty easy with a heat
gun. The concrete slab underneath is in great condtion, but is noticably
"tacky" from the vinyl tile adhesive. We're not talking globs of adhesive
or anything, in fact it isn't really visible at all, except for a little bit
of gloss here an there and some other discoloration of the concrete. But
nothing like big black or yellow/gold blobs of adhesive like I've seen
elsewhere.

So my question -- will my thinset stick to this, or should I attempt some
sort of chemical strip? We used some household cleaner (409) and a wire
brush, then mopped with a strong floor-cleaner solution, and that helped a
little, but it's still quite tacky when you feel it or walk on it.

I'm guessing the original floor is circa mid-80's if that matters.

Thanks much for your help -- I'd apprecate any replies as we hope to do some
work on it yet tonight.

-Tim