Flex Seal

Flex Seal

Flex Seal - I have seen a lot of mis-information floating around in regards to Flex Seal. First off I want to point out that it does work…and well! It does however HAVE to be used correctly. Apply multiple thin coats and let it dry in between each coat, the longer the better.

If you expect to have oils or other solvents come in contact with the Flex Seal be sure that it is fully dried first. As you can see in one of my other posts I used a bucket sealed with Flex Seal to hold hydraulic fluid. It has held up for months, completely submerged.

Another common problem is people thinking it didn’t work when they simply have not applied enough. If you are trying to fill a hole that is any bigger than say a single hole in a screen (see the commercial and screen door/boat) you WILL need multiple coats. With each successive coat you will notice that the hole gets smaller and smaller until the Flex Seal totally covers it. The number of coats will vary depending on how big of a hole you are trying to fill.

One trick that may help when sealing holes. Backing the hole with almost anything will help, even cardboard or paper. What will happen is that in essence you won’t be filling a hole any longer you will be spraying through the hole and hitting the backing. This will create a film right over the hole. Even if your backing goes away over time the already dried Flex Seal will remain.

My most recent repair was on a pinhole in a gas tank on an old tuck. I drained the tank, cleaned away the rust and sprayed on several thin coats of Flex Seal over the course of several days. So far its holding up great!

By the way, I am still on my first can. It goes a long way! I have now sealed the bucket, a hydraulic tank and a gas tank. There is still some left.

So, use it right and it will treat you well!

 

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