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Blaeberry
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PL? the Premium Urethane adhesive?
I would call the company and as if there's a way w/o removing the finish.
or
I would take the sharpest chisel or scraper sized according to the adhesive. and attempt to remove it and not dig into the wood.
if PL is something else-disregard.
Yes, by PL I meant the polyurethane adhesive. Not sure exactly which PL it is. Do you know what solvent would work on PL? Whether it would be safe for the floor finish would need to be ascertained, probably from the manufacturer of the flooring.
Thanks for you response.
Thinner and denatured alcohol
work for mild cleanup when fresh, but..........when cured? oh boy.
Remember the black that stays for a week on your hands and then only leaves after a good rib dinner?
That's it, some juicy bar-b-q maybe.
Definitely contact the manufacturer.
In some cases saturating glue with furniture oil or some such will cause it to give up it's hold on the surface. Doesn't dissolve it, but works into the joint and breaks the ionic bonding between materials. (Only works on fairly smooth surfaces.) May take days of applying, waiting, scraping, thouigh.
First thing to try is a DULL scraper, to see if the finish is sufficiently smooth and chemical-resistant to "shrug off" the PL and allow it to be scraped off.
Dull scraper
Sounds v. sensible to me. A drywall knife with a few miles on it would be a good bet. She has these.
Lee Valley sells plastic "razor blades" of various types.
Would trying to freeze it with dry ice or something like that be worth trying?
Bond breaking
I have not tried this on pre-finished hardwood and would experiment on flooring scraps.
Like DanH said - repeated oil soakings attempting to "work under" the PL and break the bond.
Additional compounds to try - WD-40, Liquid Wrench, 3-in-1 oil, hand lotion, waterless hand cleaner, olive oil, mayonnaise.
For scrapers I would use one of the "disposable" plastic putty knives - tend to provide a reasonable amount of scraping force without marring / scratching finishes. I like the white plastic ones the best.
Jim