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Old 10-12-2012, 10:31 AM   #1
ancora's Avatar
Join Date: Dec 2007
Posts: 3,516
Regarding Flex-Seal....

We've had our first rain in eight months and my use of Flex-Seal to seal my front windows has ended in failure...still leaking. On the bright side, I used Flex-Seal on a stainless steel sheetmetal 90 degree exhaust elbow going through the engine room bulkhead aft, and it seems to have worked. The elbow had a myriad of pinhole leaks so I gave it a shot, hoping to buy some time until the weather cooled down and I can replace the sheet metal elbow with a fiberglass one.

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Old 10-15-2012, 02:04 PM   #2
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City: Essex, MD
Country: USA
Vessel Name: Scooter
Vessel Model: 1984 Californian 34 LRC
Join Date: Jan 2011
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I used it to seal some gutter seams at the house; failed completely. Not impressed so far. Guess the guy in the boat with the screen door bottom was lucky.

1984 Californian 34 LRC
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Old 10-15-2012, 04:55 PM   #3
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City: Whittier AK
Country: USA
Vessel Name: Apache II
Vessel Model: 1974 Donald Jones
Join Date: Oct 2007
Posts: 3,147
I think in a perfect world it could work but things have to be dry.
If it is wet at all it just floats on the surface and peels right off

If you can't repair it maybe it shouldn't be on the boat
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