Non antifouled boat in salt water?!

DazedConfused

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How long can you leave a non antifouled GRP boat in salt water for before it does damage.

Looking to leave a 1999 Searay Bowrider in the water (drying mooring) during Cowes week. This means it will probably be in the water for about the maximum of 10 days but used every day. Also, the mooring will dry out onto sand so it won't really be in the water for the entire length of time.

I don't want any irreversible staining of the hull or any serious long term damage to the GRP. The boat is ever only in the water for a day or maybe the odd weekend at a time so not looking to have it antifouled.

Any help really grateful.

David
 

longjohnsilver

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Should be fine for that short period. I leave a small non antifouled RIB in the water all summer, just needs a good scrub off every month or so.
 

Roy

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Anti F it anyway as its better to err on the side of caution and not leave such a basic requirement to chance and Murphy's Law. Good for re sale value and general appearance of a boat thats been looked after!? Small boat wont cost much - get 2.5 litres of basic antifoul for £35 approx and do it yourself with a small sponge roller or three and a roll of cheapo masking tape.
 

markc

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About 24 hours by my reckoning - you see, after then, the enzymes found in the sea water start to eat the GRP. It is only a matter of hours after that the hull is turned into a bubbling mush - a bit like Ebola.

Be very careful


OK, I'm lying... it will be fine! Don't bother antifouling just for this trip because you will then get locked into the cycle of doing it every year when it starts looking tatty

M
 

studgies

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I would not bother, I did not think antifoul did anything to protect the hull from anything but fouling...I could be wrong...hmm, I guess the new epoxy based stuff would protect the hull from moisture a bit but not the normal eroding stuff.
 

DazedConfused

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Cheers people, because it is kept on a trailer and sometimes used for an hour or so on the non tidal Thames i wasn't sure of the difference between fresh and salt water.
My Sports cruiser is antifouled so not really after the added pain of doing the job twice a season!! Also, personally i think it looks better all polished up sitting on a trailer. No antifoul to hide questionable marks.

Thanks again.

David
 

wakeup

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Re: nope

It was a test to see if they had some swanky auto censoring software at IPC and whatsmore [censored censored censored censored censored] which proves that there are a number of words that the software doesn't know !!!!!!!
 

gjgm

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I leave mine in for couple weeks at a time. A quick jet wash is fine. Salt water isnt going to do any damage -modern gelcoats are pretty tough.
I really cant see any need to bother.
 

Lakesailor

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Re: nope

[ QUOTE ]
there are a number of words that the software doesn't know !!!!!!!

[/ QUOTE ]
Does it recognise Scunthorpe? It often falls foul of auto-censoring software.
 
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