Flex Shot Rubber Adhesive Sealant Caulk
No Dripping, Even Hard-To-Reach Repairs Easy, No Mess!, Gives You A Perfect Bead, Every Time. No Running, Expands And Contracts To Fill In Huge Cracks And Holes
What We Like
- Comes with extension tube that offers easy reach to tight spaces
- Formula expands and contracts that helps in filling the huge cracks and holes
- Features water-proof adhesive that makes it fit for outdoor and indoor use
Disadvantages
- may have an unpleasant odor
Results of our analysis:
We analyzed 15,968 reviews for 64 products in the Adhesive Caulk category.
We then analyzed 1,207 reviews for this product. Of these, 738 reviews were recent.
100% of reviews were positive.
Final Score:

9.37 out of 10, based on these factors:
Common Questions
Does this product work on a 1000 gallon rubber water tank?
Flex seal products last about one year on my horse water tanks.
Does it come with the extension tube?
If you want to extend the nozzle, you need to buy a foot of clear tubing that fits over it.
Has anyone used this to seal bedroom windows, and if so was the smell a problem?
Flex Shot should be used indoors in a well-ventilated area.
I am going to use it in my shower, how long does it take to dry?
Product can be formed in 20 minutes, allow approximately 24-48 hours for product to fully cure.
Is there a window that is a little loose?
Many people have used Flex Shot to caulk their windows.