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Old 09-04-2014, 09:55 AM
SpokaneSteve SpokaneSteve is offline
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Rats - Gelcoat scratch - advice needed

Hello all:

I lost concentration for a minute coming into a dock and smashed it pretty hard resulting in a good scratch.

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I emailed MC, gave them my HIN and got the details on my gelcoat colors. I ordered what I think is the correct color Spectrum kit from iboat.

Here are my questions:

1. Do I need to grind this scratch out to a more "v-like" shape? I have read that some people so that.

2. For sanding, the shape is slightly concave, should I sand my own wood block to match, use a foam block?

3. Does anyone know what the diamond shaped vent is for and whether there is some way to order a replacement? I never really even noticed it before.

Thanks much, Steve.

Last edited by SpokaneSteve; 09-04-2014 at 11:34 AM.
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Old 09-04-2014, 10:05 AM
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TXMC-06X2 TXMC-06X2 is online now
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I believe the vent is for your horn.
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Old 09-04-2014, 11:41 AM
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Jayhawk Jayhawk is offline
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Horn grill: http://mcpartsdepot.com/products/hor...-s-03-14-11088
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Old 09-04-2014, 12:01 PM
cruiser cruiser is offline
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I would grind it even. It looks like you have a rough and a sharp edge. Foam block and stay in the center of the scratch. The block will follow the contour of the side.
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Old 09-04-2014, 12:41 PM
SpokaneSteve SpokaneSteve is offline
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Thanks for identifying the grill. New one is ordered and on the way.

Are you suggesting that I grind more of a "U" shape or a "V" shape? I can get either type of bit for my dremel.

Thanks, Steve.
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Old 09-04-2014, 08:40 PM
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I think the scratch is deep enough. I wouldn't grind it.
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Old 09-04-2014, 09:53 PM
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blackhawk blackhawk is offline
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I wouldn't grind it. Just take some 100 or 150 grit sandpaper folded and sand down into the scratch. This will remove any loose pieces and also rough up any smooth spots for a good bond.

Apply 2 layers of painter's tape to both sides of the scratch. Apply the tape about 1/16" to either side of the scratch. Apply your gelcoat with a flexible plastic blade. Get some of the bondo applicators from the local auto parts store. The gelcoat will shrink after it dries, hence the need for two layers of tape. This will give you allowance for shrinkage and also extra material to sand down to get the repair flush.

As soon as you get the gelcoat smoothed out, go ahead and remove the tape. Don't let the gelcoat dry before removing the tape.
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Old 09-05-2014, 04:23 PM
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FoggyNogginz FoggyNogginz is offline
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I had one like this a while back, in nearly the same spot. I'd skip the grinding, and just sand. The gelcoat should match pretty nicely. Mine was nearly invisible unless I pointed it out under the right light. Good luck!

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Old 09-06-2014, 04:28 PM
ac505 ac505 is offline
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Without a doubt, grind it.

I used a carbide dremel bit doing some similar work on my boat. Search my posts and you should find it. The dremel opened it up to a nice U shape, made repair very easy.

Good luck, take your time, keep everything clean with acetone and spend some time wet flatting before polishing.
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Old 09-06-2014, 04:55 PM
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Easy fix like ac505 states... No worries.. Just take ur time
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