Never place a hot object directly on the glue.
Remove glue from basement floor.
An adhesive remover will chemically softens the glue to make it easier to scrape.
Use an aggressive grit to get the bulk of the glue off and then switch to a finer grit in the 300 s range should suffice to finalize the sanding across the floor.
Aim a heat gun at the adhesive or hold an iron a few inches above it.
Pour the hot water on the floor and let it sit for a couple minutes.
Wait a few minutes for it to begin to soften then scrape up what remains.
Instead of pouring your water directly on the floor lay a fresh towel over the area you intend to clean.
Place a towel over the glue residue.
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Use a powerful adhesive glue remover.
A rented floor sander or a floor buffing machine with a sanding disk should get the job done.
There are several tools that can be used to remove flooring adhesive including.
Use the ironing method.
Spread some kitty litter on the floor to help soak up the black liquid glue.
Use the razor scraper to remove the glue once it is soft.
When or if the adhesive becomes soft scrape it again to remove what s left.
Just a small area of concrete to remove the glue.
A simple hand floor scraper has a metal blade mounted on a handle.
Apply the adhesive remover on the concrete floor following the instructions on the box.
When the glue starts to become pliable use your scraper tool to work it out of the concrete.
If necessary use multiple towels to cover the whole area.
This will allow the glue residue to heat up and absorb moisture more evenly.
Start by softening the glue residue with a natural glue remover like boiling water then continue scrubbing until the glue detaches from the flooring.
The hot water loosens the glue by melting it and makes it easier to work with when cleaning.
After you ve scraped as much off as you can you can try hot boiling water to soften the glue.