Spider cracked hull

I noticed the bottom of my boat is spider cracked when taking it out of the water to clean it. Does this look like it might cause problems or is it minor? Attachment 27672Attachment 27673Attachment 27674

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i'm having a hard time figuring out exactly what is going on there. It almost looks like something is growing on the gelcoat. I'm assuming you tried wiping is off?

It is. Stays in the water sometimes for a month. But the dark lines are the cracks.

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See the grey linesAttachment 27679

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You hit something with the strut.

I believe the warranty on gel coat is only 1 year. Do you have cracks anywhere else? Generally if there is a problem, it is all over the boat but does not show up until the boat is about 6 months to a year old. At least that has been my experience in the past.

Have them around bow eye. Was there from practically brand new.

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You have discoloration along the cracks that indicate moisture is getting into the gelcoat. That should be checked out.

Ok I will

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You definitely need to have that checked out. Cracks below the water line will only get worse. They can start to take in water, then expand further, ultimately allowing water to get in the boat. If you hit something, your insurance will cover it. If it is structural, SC will only cover the hull for the original owner, or if it was transferred one time. Just be forewarned, gel coat work is not cheap! At least to have it done correctly. If you don’t have the original hull warranty, then hopefully your insurance will cover it. Looks to me like you hit something.


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Yes I am the original owner but they wont warranty because they think it might be impact damage.

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Yeah, that is what it looks like. I should have clarified, structural failure is what SC would cover. They would not cover impact damage. Assuming you have it insured, they will cover it. Happened to someone I know. It was a $6,000 repair after hitting a log and a bent shaft wore out the bearing, then cracked the fiberglass all around it.


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Relax!

Water won’t get into the boat from spider cracks! The spider crack is just the top layer of gel coat. You could remove the entire layer of gel coat down to the glass and water still won’t penetrate the hull. The only purpose it serves is looks and creates a smooth surface.

The worst case is you can eventually get blistering. However not likely unless it’s in the water over the entire summer over many years. They will however continue to get longer over time and thus more expensive to fix. You can stop them yourself by taking a small Dremel grinding point to the very tip of each crack. Just create a shallow divet. I would also clean the area with hull cleaner, scrub it well, rinse, wipe with alcohol and apply a few coats of Rejex. You can find rejex on Amazon. I have a black hull and that’s all I’ve used for years. It’s cheap and works 100 x’s better than any carnauba wax. Algae growth, water spots, bugs... wipe right off and it lasts all summer.

Gel coat work is expensive! If it’s not in the budget, don’t worry about.

Good luck and Keep us posted!






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In addition! It’s not an impact. You can tell the spider cracks are originating from the underwater gear. Gel coat cracks typically originate from thru-hull hardware.

Again, it’s nothing to panic about.




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