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๐ช Seal Strong, Stay Flexible, Look Flawless!
Flex Caulk is a professional-grade, hybrid polymer sealant designed for superior waterproofing and weatherproofing. Featuring an adjustable trigger-flow nozzle for precise application, it adheres to virtually any surfaceโwet or dryโand remains flexible without cracking or shrinking. UV and chemical resistant, paintable, and easy to use without a caulk gun, itโs the ultimate all-in-one solution for indoor and outdoor sealing needs.












| ASIN | B0DK9YCYYW |
| Best Sellers Rank | #124 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk |
| Brand | Flex Seal |
| Brand Name | Flex Seal |
| Color | White |
| Customer Reviews | 4.3 out of 5 stars 67 Reviews |
| Included Components | Flex Caulk, White, 4 oz, 1-Pack |
| Item Form | Liquid |
| Liquid Volume | 4 Fluid Ounces |
| Manufacturer | Swift Response, LLC |
| Material Type | Synthetic Polymer |
| Model | CFSWHTR100 |
| Number of Items | 1 |
| Part Number | CFSWHTR100 |
| Surface Recommendation | Tile |
| Tensile Strength | 200 Pounds Per Square Inch |
| UPC | 810129870749 |
| Unit Count | 4.0 Fluid Ounces |
| Water Resistance Level | Waterproof |
U**N
Waterproof, flexible and easy caulking
We bought our new house with little things here and there to do. I haven't used all of one of these yet. It was so easy to use. We had a new tub put in and the plumbers caulking peeled off within a week. I saw this was flexible and waterproof. So far, it is absolutely both and staying on.
P**Z
Easy to use
Easier to use than most caulks but still caulking itself is such a task for the inexperienced. Used this to do interior of new installed windows and it worked well, about two normal sized windows per can.
C**E
VERY PLEASED!
Easy to use without having a caulk gun!
F**S
Terrible new dispenser design
I've used the various flex seal products for years and the new dispenser packaging is terrible. I wasted more than 3/4 of a tube because it would not come out. Terrible dispenser design but good product
D**E
Easy to use
No comment it work for me
N**K
Funciona
Estรก bien
J**R
It works
It works. Maybe a little pricey for what you get. But it does work.
S**R
Great concept, poor
Great concept, poor setting properties. It was easy to use but never cured completely.
Trustpilot
3 weeks ago
3 weeks ago