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๐ง Seal it. Fix it. Own it. The ultimate adhesive for pros who settle for nothing less.
Flex Glue MAX is a 28 oz super strong, rubberized waterproof adhesive designed for professional-grade repairs. It bonds instantly on dry, wet, and underwater surfaces, including concrete, wood, and brick. UV resistant and paintable, itโs engineered for durable outdoor and indoor use, making it the go-to solution for home improvement, automotive, marine, and recreational projects.





| Asin | B0916RR1T5 |
| Best Sellers Rank | #178,630 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #643 in Cyanoacrylate Adhesives |
| Brand Name | FLEX GLUE |
| Color | White |
| Compatible Material | Wood |
| Container Type | Cartridge |
| Customer Reviews | 4.4 4.4 out of 5 stars (46) 4.4 out of 5 stars |
| Full Cure Time | 7 days |
| Included Components | Item |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | Flex Glue White Max 28 Oz. Cartridge |
| Item Weight | 3 pounds |
| Manufacturer | Swift Response, LLC. |
| Material Type | Plastic |
| Model | GFSMAXWHT28 |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Strong, Super Strong Waterproof |
| Part Number | GFSMAXWHT28 |
| Specific Uses For Product | Home Improvement, Automotive, Marine, Recreational Projects |
| Unit Count | 28 Fluid Ounces |
| Upc | 850017897465 |
| Viscosity Level | High |
| Volume | 28 fluid ounces |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
User
Works
This stuff works real good for what Iโm using it for, gluing foam board to inside of boat. Still have to slice and dice board for curves etc. Exspensive stuff though, havenโt found anything better yet.
User
Works great on stone!
I purchased this because the stone in my pool was loose. The very next day, it was totally firm and stable. It sure is waterproof so far.
User
Very good, nice brand
I love this brand, very nice glue
User
I love it
I recommended to everyone specially the contractors plumbers electrical
User
works very well
rrplaced loose pool tiles on an inground pool tiles stayed in place after about 10 seconds of holding an adhered very well once dry after about 1- minutes very happy with my choice of flex glue
User
make sure you own the bigger sized calking gun!
im sure this product would have worked great IF i had the larger calking device necessary for it's function! LOL
User
Flawed Product
The glue absolutely would not flow. It wasn't just thick, it was almost solid. My guess is it had simply gotten old and dried out. The manufacturer should spot check the product. I replaced it with a similar product and it works fine in my dispenser. I didn't bother returning it. Too much trouble. This problem cost me a half a days work on my project. I'll never buy a FLEX GLUE product again.
User
Expensive, YES, but WORTH IT!!
I needed to reinstall an acrylic pane in our solarium roof which had come loose after some 30 years from original placement. I had tried other calking type adhesives and they worked for a short time but came loose, again. I have used Flex-Glue products, before but the price on these tubes shocked me, a bit. However, after trying other products (including the less expensive Flex Glue product, I decided what with the wet location and likely wet installation, I would try this. It worked FIRST TIME and it's still there!! Be SURE you have the proper sized gun for these --- they are a lot bigger than the usual calking gun but work the same way. application is fairly easy and the initial adhesion is fairly quick. Fixturing, in my case was a bit difficult (the pane was in the middle of an entirely plastic roof area and could not be reached from the side, so I worked from underneath in the room) but it worked out. This product definitely works, as advertised!
Trustpilot
2 weeks ago
5 days ago