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Patching Hull question...

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prd

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Hello all,

Is there any kind of kit that I can buy to patch a hull? The hull has some chips here and there. Nothing pierced but Id prefer fixing it before its too late and water comes in.

So I was wondering is there any kind of kit I can buy to do it by myself?

Thanks
 
Post some pics of the damage. I am in process of a major hull resto at the moment and I ended up using fiberglass resin with glass strands in it. Called "bondo glass" but the only thing it has in common with bondo is the name.


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It looks like it fell off the trailer or hit concrete some how with that damage on the rear. That's some decent damage
 
You could repair that with gelcoat. I am not sure how I would go about it though, I mean, there is a lot of thickness there that needs to be build back up (on the rear). Perhaps some fiberglass mat and resin, and then a final application of gelcoat? You are definitly down to the glass. Don't get it wet like that, it is possible that the fiberglass will absorb some water if it wasn't completely saturated with resin when it was built.
 
Thanks guys. I'll have to see what I can come up with for fixing the back. I know this needs some fixing before putting it in the water, but I'm not too sure either how I'll get it fix just yet.
 
If you end up with some specific questions on gel coat jammin777 or myself can likely answer them for ya...


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yes be glad to help the best i can, the reason i suggested the gel coat patch kit is it is a very thick gel coat and is designed to patch deeper chips but not too deep. ive seen repair on you tube with damage similar to yours. gel coat patch built up is somewhat like bondo, build it up and to contour the finish sand 200,400, 600, 800, and 1000 grit sand paper, then buff with a good course compound using a high speed buffer the polishing compound then hand wax. the link on gel coat i posted is the company that sells seadoo gel cote and have the color codes for them.
also like i said you tube has a lot of info on repairs.
 
Thanks jammin. I've bought the bondo repair kit, I'll see if I'll return that one and order the one from the link you've mentionned. It would probably look better down the road since the color will be the same.

Everyone's help is greatly appreciated.
 
Hi,

Finally ordered the one you mentioned. I was simply wondering, which sanding paper would you recommend using? I've never done this in the past but looked at a couple of videos on youtube.

Thanks
 
I have been told gelcoat doesn't stick well to anything less (Higher numerically) than 120 grit. I prepped mine with 100 before spraying.
 
Alright... so If I understand properly... I sand... put the gel coat on... then resand & water buff?
 
Thanks. I've never done any kind of work like this, so I don't want to damage even more the ski :)
 
yes, first clean area with acetone, sand with 120 grit, acetone again, apply gel coat patch, sand with 200, 400, 600, 800, 1000 grit then buff with a good buffing compound and a power buffer, then buff with scratch remover, then hand wax.
 
prd said:
Thanks. I've never done any kind of work like this, so I don't want to damage even more the ski :)
Click to expand...

No prob, we will gladly help you the best we can!


jammin777 said:
yes, sand with 120 grit, apply gel coat patch, sand with 200, 400, 600, 800, 1000 grit then buff with a good buffing compound and a power buffer, then buff with scratch remover, then hand wax.
Click to expand...

I am having pretty good results with 400,600,1000,1500 (all wet) then a few stages of buffing. Rubbing compound, Medium Cut, Fine Cut, and I am about to use swirl remover.

The main point to remember is not to go any rougher than you really need to to remove the material you need to remove. In my case I was sanding down orange peel left over from my spray job. I first tried 1000, it was tons of work, so I switched to 600 (still a lot of work) and then finally lowered to 400 (cut the peel very quickly). You can always start high and go lower but never the other way around when trying to determine what grit to use.
 
Would you guys recommend me any special buffer tool to do the job? I'm sure you guys don't recommend me to do the sanding by hand, unless I'm wrong.
 
prd said:
Would you guys recommend me any special buffer tool to do the job? I'm sure you guys don't recommend me to do the sanding by hand, unless I'm wrong.
Click to expand...

I used a random orbital electric palm sander on my entire hull for the 100 grit initial sand before the gelcoat.

The wet sanding was all done by hand,

The compounds are put on using a electric buffer from harbor freight, although you can get a wool buffing ball that fits in a drill.


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