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Foot strap insert repair

 
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mrgybe



Joined: 01 Jul 2008
Posts: 4442

PostPosted: Tue May 08, 2018 9:40 am    Post subject: Foot strap insert repair Reply with quote

A foot strap insert pulled out in heavy winds. Id like to repair it. First time. I looked at The Board Lady website (which is outstanding) but it is not clear to me whether she puts anything in the screwholes before laying the fiberglass over the top. Any tips? Thanks.
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bamer



Joined: 16 Nov 2016
Posts: 95

PostPosted: Tue May 08, 2018 2:16 pm    Post subject: Reply with quote

You don't need to do anything about the holes. If a little bit or resin gets in there it can be drilled out later. If you want to plug the hole you can press some foam into the hole, just make sure the foam is a little ways below the surface. Some people put toothpicks in the holes that stick up above the level of the board. This is usually done to locate the holes if you are using carbon. The fabric is just pushed down over the toothpicks and then wet out.

My preferred method is to not fill the hole. I mark out measurements to hole locations a few inches away on the board, wet it out, and then use a toothpick to push down a little bit at the hole to create a clear downward dimple where the hole is. After initial cure drill the hole out by starting with a small bit and working my way up to correct final bit.

Tips:
-Repair is ideally done on falling thermometer.
-Rough up the top of the insert a bit to increase mechanical bond.
-Use slow curing resin, especially for any resin and filler mixture that is touching the EPS. EPS has a low melting point which can be reached if reaction happens too quickly.
-I think Eva wraps her inserts in PVC foam, this is generally a good practice, but probably not worth the effort if you are just doing a single insert.
-Use a drill guide or just be super careful not to drill through the bottom of the insert.
-A slight countersink is a good idea to keep the screw from pulling the fiberglass / carbon up.
-I would cover with between 5-6 layers of 6oz fabric.
-The quality of the repair depends almost entirely on the prep work. If you dish it out well, test the insert fit, cut the fabric carefully, tape off the area so excess resin doesn't flow out over the board, and things like that, the repair will be good.
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U2U2U2



Joined: 06 Jul 2001
Posts: 4559
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Wed May 09, 2018 6:46 am    Post subject: Reply with quote

EZTEZ, into hole , drill out.
EZTEX 7100 marine epoxy repair compound. Pettit is the company, at West Marine, Easy to use.

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mrgybe



Joined: 01 Jul 2008
Posts: 4442

PostPosted: Wed May 09, 2018 12:22 pm    Post subject: Reply with quote

Bamer, Thanks. That's very helpful. Same to you U2U2U2.
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