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 Post subject: Fin box repair
PostPosted: Sun Jun 23, 2013 6:08 pm 
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Hi to you all

just ripped off my fin box from my surf board and looking some advise to repair it...i have a couple of ideas of using the 3M 5200 sealant but any advise will be appreciated.


{ SHARE_ON_FACEBOOK } { SHARE_ON_TWITTER } { SHARE_ON_ORKUT } { SHARE_ON_DIGG } { SHARE_ON_MYSPACE } { SHARE_ON_DELICIOUS }
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 Post subject: Re: Fin box repair
PostPosted: Sun Jun 23, 2013 7:09 pm 
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Joined: Tue Dec 13, 2005 10:41 pm
Posts: 472
Location: ZZ 9 Plural Z Alpha UK
Can you post photo's


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 Post subject: Re: Fin box repair
PostPosted: Sun Jun 23, 2013 8:23 pm 
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chipmunk wrote:
Can you post photo's


tomorrow i ll got my board and post them


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 Post subject: Re: Fin box repair
PostPosted: Mon Jun 24, 2013 7:39 pm 
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chipmunk wrote:
Can you post photo's


here


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 Post subject: Re: Fin box repair
PostPosted: Mon Jun 24, 2013 8:30 pm 
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Location: Oahu
ayy..is there any water in there?
How does it look in the front?

check out the board lady:

http://www.boardlady.com/repairmenu.htm


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 Post subject: Re: Fin box repair
PostPosted: Tue Jun 25, 2013 8:41 am 
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tautologies wrote:
ayy..is there any water in there?
How does it look in the front?

check out the board lady:

http://www.boardlady.com/repairmenu.htm


yes there is :( its ok in the front


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 Post subject: Re: Fin box repair
PostPosted: Tue Jun 25, 2013 9:49 am 
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Location: Oahu
nikalaitzian wrote:
tautologies wrote:
ayy..is there any water in there?
How does it look in the front?

check out the board lady:

http://www.boardlady.com/repairmenu.htm


yes there is :( its ok in the front



Well to me it sounds like you have a bigger.job than just covering up...well if you want tonrepair and notjust wait for it to blow.

First...it has to be dry. If the box is not lose you might get away with drilling down around it.
Personally I would use epoxy with filler to bond. If I had to take out the box I would give the board to an expert...drill fill..might want to add some glass on top...so a lot of sanding. The point is you have to make the box bond with the foam...make sure everything is dry.


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 Post subject: Re: Fin box repair
PostPosted: Tue Jun 25, 2013 1:38 pm 
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i m having it directly to the sun so it "bakes" from inside.the box is moving a bit(about 2mm) in and out but only in the damage point.So you say drilling a few holes of 3,5mm and injecting epoxy or 3M 5200 inside it will be ok?


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 Post subject: Re: Fin box repair
PostPosted: Tue Jun 25, 2013 5:05 pm 
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Joined: Tue Dec 13, 2005 10:41 pm
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Location: ZZ 9 Plural Z Alpha UK
Thanks for the photo
Step 1 remove fin sand off the paint covering all the box, so you can see the glass 25mm all round
Step 2 mask off the bottom you have sanded and the box spin it over bottom down
Step 3 drill one hole in the deck rail over the damaged box but not into the box and not bigger than the syringe neck ( a tight fit )
Step 4 epoxy mixed with glass bubbles using a syringe inject the hole approximately 5ml. more than 5ml you run the risk of over heating when the resin goes off

This is to reattach the box back to the deck and to stiffen up the damage under the box :thumb:

When you have done that and the epoxy has gone hard remove the masking tape from the bottom
Then re glass mat 80/ 100 grams over the box then sand back fill and flat off and spray with paint

Hope this helps

Ps check the old box is not split in side if so you will have to replace it


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 Post subject: Re: Fin box repair
PostPosted: Tue Jun 25, 2013 11:04 pm 
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chipmunk wrote:
Thanks for the photo
Step 1 remove fin sand off the paint covering all the box, so you can see the glass 25mm all round
Step 2 mask off the bottom you have sanded and the box spin it over bottom down
Step 3 drill one hole in the deck rail over the damaged box but not into the box and not bigger than the syringe neck ( a tight fit )
Step 4 epoxy mixed with glass bubbles using a syringe inject the hole approximately 5ml. more than 5ml you run the risk of over heating when the resin goes off

This is to reattach the box back to the deck and to stiffen up the damage under the box :thumb:

When you have done that and the epoxy has gone hard remove the masking tape from the bottom
Then re glass mat 80/ 100 grams over the box then sand back fill and flat off and spray with paint

Hope this helps

Ps check the old box is not split in side if so you will have to replace it


a drawing or some photos could help me.in any case thank you


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