Name: FLEX SEAL GRAY 14OZ
Brand: Flex
SKU: 1NE0YX169VVH
Price: 32.13 CAD
Availability: OutOfStock
Rating: 4.6 (579 reviews)

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FLEX SEAL GRAY 14OZ

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Used it to seal a hole in the wall where well water leaked in to the cellar in the spring. Easy to apply. Will know next spring it it's effective.. Bought three more cans.

Sealed hole where water leaked into cellar.

walmart.com

The stuff works as advertised, and then some! I have used 4 or more cans on three different projects and I am very happy with the results. Now I wonder about the longevity?

Flex Seal

We used to repair metal building that was rusting at bottom. Used this to seal where new piece of metal was scabbed on. Looks like it'll do the job!

Works like it says

Leaks be gone!

After installing roof anchors for fall protection, needed while installing hurricane-protective home window covers, I used Flexseal to re-seal the roof at the roof anchors.  The Flexseal was also effective at hiding the brightly-colored roof anchors, coating them the same color as the adjacent roof shingles, which are charcoal/black in color.  The initial liquid consistency of the Flexseal seeps into and around the  screw-down holdings of the anchors, then dries to provide an excellent seal to the roof around the roof anchors.

Hurricane Prep:  Great sealant for roof anchors

flexsealproducts.com

Works great, I've used it on my roof and my kitchen sink. Very happy with it

flex seal

Used on metal roof to stop constant leak. To date no water found since use

Flex Seal may work for some things but not for me. Applied twice and it did not fully stop the leak....only partially. Maybe because the leak was in a tight spot. 
I read other reviews... all good, but it's not 
For me. Just wish I didn't buy 2 cans!

Never Again

Whn I ordered Flex Seal I had high hopes to fix a leak in my swim spa. I emptied the water out, cleaned the area and applied the Flex Seal tape over the crack with 2 1/2" edges refilled the swim spa and STILL had the leak. purchased the spray Flex Seal, emptied the swim spa cleaned area well, sprayed 3 coats of the Flex Seal spray to the leaking area (on top and underneath). Filled the swim spa back up and it was as if I had not done anything. As far as being water proof this product is not. The tape is very difficult to use, hard time getting the clear plastic cover off the tape.

Flex Seal Tape and Spray

I bought this a couple of months ago for the underside of an awning I'm building, specifically looking for Silver to match metal awning brackets. I finally went to use it today and realized I had been sent Gray. Something I should have picked up on initially so that part is my fault, but if you're looking for Silver don't buy it from this vendor. Godspeed.

Nope