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Reviewed in the United States on March 10, 2025
Product is a good quality but you need to use a lot. Let product sit overnight to get best results. Use clear inexpensive tarp for overnight cover.
Julie Mccallum
Reviewed in the United States on October 13, 2024
Applied exactly as stated on the label, sometime 2.and 3.times in spots. Tried covered and uncovered, scrubbed, scraped and cussed and the glue still wont come off the floor. This product simply does not work. I've gone through 15 gallons where I should have used 5, still glue everywhere. Photo after 3rd application, left covered for 2 hours and scraped.
Milly
Reviewed in the United States on September 17, 2022
We pulled up carpet in our sunroom expecting to find concrete and instead found this broken tile mosaic. There’s tons of glue left on the tile and grout with an uneven surface that didn’t allow for the normal scraping to remove the glue, but it is working. Our application requires that we put the remover down, cover with plastic for an hour or two then take a scrub brush and wire brush to it, followed by a through mopping, then repeating the entire process two more times. It is a lot of work but considering that glue was used as a leveler on most of the floor, we think it is working well.
QiuWenLin
Reviewed in the United States on March 5, 2022
Sentinel 626 is supposably for carpet and "vinyl" adhesive removal. I followed all the instructions precisely. I watched several videos to make sure that I understood and knew what to expect and what I was trying to accomplish. I calculated the square feet per gallon and made sure that I even used extra, as suggested in several videos, I was not skimpy with it at all. Throughout the one+ hour set time that was recommended I agitated the glue and paper backing with a short bristle course brush push broom to improve overall effectiveness and I also made sure that any high spots were getting covered repeatedly so as to stay saturated with the product throughout that time. This product simply does not work for vinyl adhesive removal as advertised...In my professional opinion, for my situation, this was a disgusting waste of money that would have been better spent renting a machine and blade specifically used for stripping vinyl adhesive from the start. $75 machine, $75 blade, for the day. $150 all together at Home Depot, which ultimately is what I ended up needing to do anyway "just saying" 😉
Jason
Reviewed in the United States on March 20, 2022
I applied 626 generously according to the instructions with a heavy-duty deck brush, let it sit for 90 minutes, and the adhesive came up quite easily using a 4-inch floor scraper. The pictures show a room with the adhesive still on the floor compared to one cleaned with 626. There is a little bit of adhesive left around expansion joints, but not enough to be a problem. I used about 4 gallons on 550 sq ft. I used a 24” rubber floor squeegee to scrape up the liquified adhesive and then mopped with Simple Green. It took me and my son about 5 hours, including soak time. Would’ve taken twice as long or more — and a lot of back-breaking labor — without 626. Just be sure you are using it on the correct type of adhesive (mine was brown carpet adhesive).
Andrew L.
Reviewed in the United States on February 11, 2022
Does not work any better than dumping a bucket of water on the floor and will not remove any adhesive. Customer support will fight tooth and nail to not return your money. DO NOT BUY.
TNT Cunningham
Reviewed in the United States on June 28, 2021
This worked well for my husband and I - we saw a video on youtube for removing the nasty glue from glue down carpet (barf) and just recently bought a house that had just that so...we decided to give this product a try. It's been glued down in there since 1979 and that glue was rock solid. I poured 626 on direct, not diluted, and let soak for about an hour. We then started scraping and, with some elbow grease, was able to get that nasty junk up! If you've got a larger space, I would suggest getting the 5gal because you really wanted to cover the glue. Anyways, it worked well and didn't have a repulsive smell. That's a win in my book!
John M. House
Reviewed in the United States on October 14, 2021
Saw a video on YT of this product that showed great results. But unfortunately, it did not work nearly as well as that on my floors. That being said, it removed some of the glue so I guess it worked a little.
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