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Nose repair...the non handymans guide please!

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Created by lordhowe > 9 months ago, 13 May 2009
lordhowe
NSW, 209 posts
13 May 2009 4:43PM
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The 140L Funride that we bought for the LHI aquatic Club has already fallen victim to the catapulters. It has a 10 cm crack along the side of the nose. Someone has said that i should sand it and then put some fibreglass over it and soak the glass in 2pac epoxy, then sand it back.
is that the go?
any help for the handy underachiever that I am would be appreciated.

mineral1
WA, 4564 posts
13 May 2009 3:05PM
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Google "the board lady" she has a great site with all tips and tricks on board repairs.

FormulaNova
WA, 15109 posts
13 May 2009 7:32PM
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lordhowe said...

The 140L Funride that we bought for the LHI aquatic Club has already fallen victim to the catapulters. It has a 10 cm crack along the side of the nose. Someone has said that i should sand it and then put some fibreglass over it and soak the glass in 2pac epoxy, then sand it back.
is that the go?
any help for the handy underachiever that I am would be appreciated.


Tim, is the board a plastic one or an epoxy one? If it has a vent plug then it is more than likely epoxy. I have never repaired a plastic one, but epoxy should be easy to repair.

Without knowing which way the crack goes, but assuming it matches the ones I put in the nose of some of my boards with the mast, I would use some coarse sandpaper to clean up the crack first and give the glass something to bond with. You can then cut a few pieces of fibreglass to use as a patch over the top, with an overlap of at least a few cms either side of the crack.

Mix up some epoxy and using a paintbrush you don't want anymore, dab some epoxy over the crack and around it. Put the first layer of glass on top and wet it through using the paintbrush and more epoxy until the glass has gone clear. If it is still white it hasn't got enough epoxy in it.

Add more layers of fibreglass as you think fit. I think 3 is pretty much strong enough for most jobs.

You can either let it set like that or put a piece of plastic like a freezer bag over the top. Add a sandbag on top to add a bit of pressure and leave it to set for a day.

Once it is set, you can leave it like that or sand it back and use a filler over the top to make it smooth and paint it.

The usual tips are don't use normal 'fibreglass' (the polyester resin and catalyst - the cloth is okay though) or acetone anywhere near a polystyrene board as it will melt it really easily! Another good tip is that wasting masking tape is more fun than cleaning up or sanding extra epoxy.

NowindSurfer
WA, 163 posts
13 May 2009 7:36PM
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When we rapair plastic at work we genrally drill a small hole either side of the crack to prevent it splitting again.

lordhowe
NSW, 209 posts
13 May 2009 10:43PM
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Hi dale,
yep it's an epoxy. Thanks heaps for the tips, i reckon even i should be able to handle that. The board lady site is pretty good too thanks Mineral.

Mark _australia
WA, 23729 posts
17 May 2009 2:22PM
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Don't go to the hardware store and ask for epoxy.
They will (1) sell you araldite adhesive (not a laminating resin) or (2) ask what it is for, you reply "windsurf board repair" and they try their hardest to sell you a fibreglass repair kit which is the wrong resin (polyester resin)

You'll need to got o a composites supply place or knowledgeable boat builders and get something like West System 105 resin and 206 hardener combo.

Won't need much glass, half a metre of 4oz will be $5 or so

GazMan
WA, 848 posts
17 May 2009 4:32PM
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lordhowe,

I've got an old issue of Boards mag with a very comprehensive article on sailboard nose repairs, can scan pages and email if required.

lordhowe
NSW, 209 posts
17 May 2009 7:20PM
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gazman,
thanks, i think i've done the deed. She's rough but i reckon it'll do the job.
I have one of those nose protectors to put on after i give it a paint. I did have it on but it came off due to not enough stick...
it felt kind of good to repair something, i never thought i was 'that guy' but maybe i am 'that guy'...the handy type..
the bloke that did the damage came and inspected the job and said:
'i should of done this, I built surfboards for ten years...'
I said:' yeah , you should have $#@#$%$# done it."
He also said that there was an air bubble in there, blah blah blah. He reckons an extra coat of epoxy should do the trick. When you start looking closely at these boards you start to realise there aint much of them there!



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