Sentinel 626 vs 747: What’s the difference?

For vinyl and carpet, you can’t go wrong with ol’ reliable 626. This water-based wonder’s gonna lift latex, acrylic, and sticky stuff without stinking up the place. Squeeze, scrape, and rinse – 626 makes adhesive removal a breeze.

Sentinel 626 vs 747

Sentinel 626 vs 747: Specs & Uses

🔲Coverage Rate

Sentinel 626: 70 sq ft/gal for adhesive removal

Sentinel 747: 25 sq ft/gal mixed for carpet; 40 sq ft/gal mixed for sheet vinyl; 70 sq ft/gal mixed for latex adhesive

🆚Key Ingredients

Sentinel 626: Water-based, biodegradable formula

Sentinel 747: Biodegradable formula

🛠️Common Uses

Sentinel 626 can be helpful If you’re dealing with old vinyl adhesive on your basement floor; can aid in removing a significant portion of the adhesive, making the scraping process more manageable

Sentinel 747 comes in handy for efficiently removing various flooring materials and adhesive residues; If you’re looking to restore your floors by removing old adhesives, 747 can be a valuable asset.

Technical Info

Sentinel 626Sentinel 747
Datasheet📥Sentinel 626📥Sentinel 747
DescriptionCarpet & sheet vinyl adhesive removerAdhesive remover for vinyl tile
sheet vinyl, indoor/outdoor carpet, wood flooring
Physical StateLiquidLiquid
OdorNo odorMild solvent odor
Boiling Point212°F363-381°F
Flash PointNone to boiling170°F
VOC Content<5% by weight15g/L

My Hands-on Test of Sentinel 747 Adhesive Remover

Sentinel 747 Adhesive Remover
After being disappointed with Sentinel 626, I decided to give the 747 adhesive remover a try. I ordered it online since it wasn’t available locally.
For most cases, I recommend 747 rather than 626.

✅Pros: Sentinel 747

First, I cut the carpet into long strips just wider than the blade of my 4″ scraper. This allowed for better results when using the impact hammer. Then, I generously poured the 747 adhesive remover onto the thick and stuck areas, making sure to scrub it in with a heavy broom. To enhance its effectiveness, I covered the treated areas with painter’s plastic and left it for 12 to 24 hours.

Demonstrating how to scrape the Floor and remove glue with Sentinel 747
Demonstrating how to scrape the Floor and remove glue with Sentinel 747

During this time, I noticed that the adhesive became softer and easier to remove. In some stubborn spots, I even used a pump sprayer to keep the adhesive wet. When it was time to remove the glue, I simply removed the plastic cover and used my trusty 8″ razor scraper. This combination worked like a charm in most cases.

The 747 adhesive remover truly saved the day for me. Without it, I would have probably resorted to using a jackhammer or even pouring a new slab. Not only did I save a significant amount of money, but I also gained valuable DIY experience.

Compared to the 626 adhesive remover initially, I found the 747 formula to be far superior for my needs. It’s important to note that every project is unique, and what worked for me may not work for everyone. However, I highly recommend the 747 adhesive remover based on my personal experience.

❌Cons: Sentinel 747

I did encounter a few areas where the concrete slab was not properly finished or had been exposed to rain. In those instances, I switched to a 4″ hand scraper, specifically the Personna brand, which proved to be my favorite tool for these challenging spots.

Sentinel 747 Adhesive Remover

FAQ of Sentinel 747 Adhesive Remover

Q: Does Sentinel 747 have a scent?

A: It has a Mild solvent odor.

Q: Can I use Sentinel 747 to remove mastic from old plastic tiles on a plaster wall?

A: Yes, it should be effective in removing the mastic. Please note that it may require multiple applications to completely remove all the residue. After using the product, remember to wash the surface with warm soapy water.

Q: Will Sentinel 747 effectively remove carpet tape from painted wood floors?

A: Yes, it will help remove the carpet tape. However, if the wood flooring does not have a polyurethane finish, I advise against using Sentinel 747 on the surface.

Q: I used 3m 77 super adhesive you recommended in 3m 77 vs 90 to attach wallpaper to the wall. Can Sentinel 747 remove any residual adhesive without damaging the wall paint?

A: Yes, Sentinel 747 can help remove the residual adhesive. After using it, make sure to clean the wall thoroughly with warm soapy water.

Q: Our engineered hardwood floors were glued to the concrete, and we removed the hardwood surface, but the adhesive remains. Can Sentinel 747 remove the adhesive?

A: Yes, Sentinel 747 is effective at removing adhesive. However, avoid using it on unsealed stone surfaces.

Q: Will Sentinel 747 work on wire-type coated closet or pantry shelving that turns yellow and becomes sticky over time?

A: I wouldn’t recommend using this product for that purpose.

Q: Can Sentinel 747 remove wheel balancer adhesive from alloy wheels?

A: It can be used on metal surfaces, but we don’t have specific data on its effectiveness for removing wheel balancer adhesive. We suggest conducting a patch test in an inconspicuous area and washing the area thoroughly with hot soapy water using a mild dish detergent like Dawn.

Q: Will Sentinel 747 effectively remove silicone oil from vinyl tile?

A: Yes, Sentinel 747 should work well for removing silicone oil from vinyl tile. Remember to wash the area with a mild dish detergent and warm water afterward to remove any residue.

Q: Can Sentinel 747 remove caulk and grout?

A: Yes, you can use Sentinel 747 to remove caulk.

Q: Will Sentinel 747 remove old dried paint?

A: The effectiveness of this product in removing old dried paint depends on the surface it is applied to. While it mainly functions as an adhesive and glue remover, it may have some effectiveness on paint.

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My Hands-on Test of Sentinel 626 Adhesive Remover

Sentinel 626 Adhesive Remover
I used it to remove outdoor carpet glue from my front entryway. Following the recommended 90-minute wait time, the glue came off easily. I highly recommend using a long-handled razor blade scraper for optimal results.


Well, it did work for removing adhesive left from removing linoleum flooring in a bathroom. The transaction overall was positive, and I appreciated the fact that it was a biodegradable solution that wasn’t a harsh solvent.


One thing I learned while dealing with old adhesives is that it requires a significant amount of elbow grease. You really need to buy plenty of adhesive remover to ensure thorough coverage of the surface. Unfortunately, the Sentinel 626 I tested didn’t live up to expectations.

As for the mistake I made of trying a remover on mastic, which is the glue used on old asbestos tiles. It turned out to be a wasted effort, as the remover didn’t work as expected. This experience taught me that it’s best to leave the mastic undisturbed and find a remover specifically designed for that purpose.

When I tried the adhesive remover on an 8-year-old glue that was left behind after removing the indoor-outdoor carpet. Despite having already pulled up the carpet, the remover did nothing to loosen or remove the glue from the concrete porch. Even after multiple applications, there was no progress. It simply did not work.

Despite following the instructions meticulously, it only made a mess and softened the top layer of the glue. The scraper provided with the remover couldn’t even begin to touch the remaining glue. It was incredibly frustrating, and I strongly advise against wasting your money on this product.

Sentinel 626 Adhesive Remover

FAQ of Sentinel 626 Adhesive Remover

Q: Can it effectively remove old vinyl adhesive from a basement floor? Will it work on concrete surfaces?

A: Better use goo gone on hardwood floors. My personal experience didn’t yield good results in that regard. I also found success using a quality scraper with fresh blades to tackle the task.

Q: Has anyone successfully used Sentinel 626 to remove the glued-down carpet? I’m curious if it makes the carpet removal process easier.

A: I dealt with a carpet adhesive on a concrete floor that had been there for about 30 years. The installer had used excessive amounts of glue, making it challenging to pull up the carpet. Ultimately, I had to scrape the carpet off, and the backing separated from the carpeting. After removing the rug, I did use Sentinel 626 , which did a decent job of removing a significant portion of the adhesive. However, it wasn’t 100% effective, and I still had to put in considerable effort to scrape off the remaining glue and backing.

Q: Will Sentinel 626 adhesive remover soften glue on a concrete floor, making it easier to remove glued-down carpet?

A: I personally had glue from tile on a concrete surface, and this product didn’t work well for that purpose. In our case, we had to resort to using a grinder and wire wheel to remove the glue effectively.

Q: Is it safe to use Sentinel 626 adhesive remover on stained concrete? Will it remove the adhesive without damaging the concrete stain?

A: I would strongly advise against purchasing this product as it did not deliver the desired results.

Q: Can the 626 Carpet Adhesive Remover effectively remove old dried glue and sticky, gummy residues from concrete surfaces?

A: I encountered the same problem, and this product did not work for me.