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1987 Cat 22 Fuel Compartment Leak

Feb 20, 2016
110
Catalina 22 Palm Harbor
Been chasing a minor leak for months only to end up with possibly a hole in the fuel tank lazaret floor. There are a serious of gelcoat hairline cracks that I'd like to fill. Any suggestions other than 3MM 4200. Thought to use White Flex Seal
 
Sep 14, 2014
1,048
Catalina 22 Pensacola, Florida
Lazarette floor is a liner piece so I would keep looking for leaks that end up in the bilge.
 
Sep 15, 2016
614
Catalina 22 Minnesota
To fill gelcoat cracks open the cracks with a Dremel, mix up new gelcoat, and apply. It's not that hard to do and Boatworks Today on youtube can walk you through the process.

Gelcoat cracks however have nothing to do with structural integrity or leaks. It is simply a topcoat. It looks like you started a 2nd thread so please see my comments there regarding a repair. Flexseal is not a repair and neither is 5200, 4200, or any other sealant or adhesive. They are simply bandaids over a problem that will eventually get worse. Best to fix it nice than fix it twice...
 
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