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Old 24 April 2009, 12:25   #1
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Small blisters on hull...

Hi

I have just bought a rib Chinook 5m - on close inspection of the hull (yes should had done this before buying) there seem to be small bubbles...... is this serious? The boat will be kept out of water...
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Old 24 April 2009, 12:43   #2
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Have you got a picture?
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Old 24 April 2009, 12:50   #3
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Are any of the bubbles burst? If they are, get your nose in there and see if it has a sweet smell to them.
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Old 24 April 2009, 15:01   #4
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i've popped a couple but they're dry.... the boat as been out the water for a while....

Will it make the boat unsafe?
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Old 24 April 2009, 16:38   #5
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Osmosis, wouldn't worry about it if its kept out the water.
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Old 24 April 2009, 17:43   #6
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Quote:
Originally Posted by jj3436 View Post
i've popped a couple but they're dry.... the boat as been out the water for a while....

Will it make the boat unsafe?
The boat is fine...cosmetic problem only and will perhaps affect resale value...unless you can hoodwink them like you were!

Don't worry about them.

PS I used to own a 40ft diesel trawler, had blisters when I bought it and blisters when I sold it...didn't cost me a dime.
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Old 25 April 2009, 01:14   #7
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If it is osmosis then its undesirable but like I said it'd be fine. Give the hull a really good pressure wash and leave it on the trailer to dry out.
If you wanted you could get a marine surveyor to check moisture levels for your own peace of mind.
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Old 25 April 2009, 02:29   #8
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Quote:
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Osmosis, wouldn't worry about it if its kept out the water.
You sure? Osmosis bubbles aren't usually dry inside are they?
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Old 25 April 2009, 03:14   #9
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Just re-read it. Seems strange them been dry. Has it be antifould at all, any repairs? Photos would help.
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Old 25 April 2009, 08:15   #10
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Depends what they are - described as "Bubbles" - could be voids in the gelcoat that have opened up over time.

What diameter are they?

Do they bulge - ie are they "blisters" rather than "bubbles".

If the boat is going to be kept on a trailer any Osmosis won't get worse.

In time some osmotic blisters can dry out and shrink back - this may be why you've got dry blisters. Once back afloat they can reappear and become wet again.

I wouldn't worry too much - if you didn't spot them when you bought the boat i'm guessing they're pretty small and a cosmetic issue only.

Regards


Duncan
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