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🔧 Seal Smart, Live Seamless – The Ultimate Hybrid Caulk for Every Fix!
Flex Caulk is a premium waterproof and weatherproof hybrid polymer sealant designed for professional-grade repairs indoors and outdoors. Its adjustable trigger flow nozzle ensures precise application without a caulk gun, while its advanced formula adheres to virtually any surface—wet or dry—without shrinking or cracking. Fully paintable and UV resistant, this 9 oz 2-pack offers durable, versatile sealing for everything from windows and doors to marine and automotive use.
| ASIN | B0D2FKVQDK |
| Best Sellers Rank | #115 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk |
| Brand | Flex Seal |
| Brand Name | Flex Seal |
| Color | White |
| Customer Reviews | 4.5 out of 5 stars 489 Reviews |
| Included Components | Flex Caulk, White, 9 oz, 2-Pack |
| Item Form | Liquid |
| Item Weight | 9 ounces |
| Liquid Volume | 18 fluid ounces |
| Manufacturer | Swift Response, LLC |
| Material Type | Polymer |
| Number of Items | 1 |
| Part Number | CFSWHTR675-2PK |
| Surface Recommendation | Window |
| UPC | 810129871098 |
| Unit Count | 18 Fluid Ounces |
| Water Resistance Level | Waterproof |
K**R
Great product
The best for many repairs and easy to use.
B**0
Very easy to use.
Very easy to use. Much more so than using a larger caulk tube with caulk gun. I was able to maneuver between wall and faucets easily with a steady bead. The flow control and tip was perfect to to fill a large gap as well as smaller ones. Only issue inhad with the order, I recieved clear instead of white. I double che ked the order info and it clearly show white. Since I had large gaps to fill I used it anyway. I ordered again to put white on top of clear to finish the job. Will send back this time if white isn't recieved.
J**E
FLEX CAULK
EXCELLENT product used many types of caulking, this one takes the cake. APPEARS spendy but will shorten the time for you and clean up will be easier than you imagine. Follow the directions. Little soap and water or touch of oil your good to go. Sturdy, super waterproof, easy clean and a year later unbelievable result. Spend the extra buck. You won't regret. Good luck. Take it slow. PS: if you're recaulking clean it out good. Take a rest. Make sure it's dry, then caulk away. Good Luck.
R**R
The more you use the texture gets more smoother and in line
Goood product works well ,easy application
D**S
Great caulk!
No messy application .
R**T
Fantastic
This stuff is fantastic. My second time ordering. Easy to use and works as advertised.
A**R
Messy messy
Caulk is good; I bought a two-pack at that price, and everything should work great. The nozzle on top, the pressure of the can pushing it out, broke off. I had to use it because it's so expensive. It was just very difficult and very messy.
G**S
Great product, very easy to use.
Bought this product to seal a tub and tub walls. This was one of the easier applications I had to do, loved the built-in caulk gun with thickness selector. Made the job very simple, and the product dried relatively quickly. I would definitely buy this product again for other home projects.
Trustpilot
3 weeks ago
2 days ago