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Old 01-21-2006, 06:24 PM
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jayderwin1 jayderwin1 is offline
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Buffing gelcoat to its original color?

i have 20 year old white MC and i removed the decals. i am having trouble matching the gelcoat anyone have any thoughts on what i should do? i have tried buffing with two different compounds no luck.
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Old 01-21-2006, 06:28 PM
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André André is offline
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It will be hard to match 20 years of sun fading.
Will you put back some original decals?
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Old 01-21-2006, 06:35 PM
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jayderwin1 jayderwin1 is offline
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the only decals i want to put back are the one's that say Mastercraft and competition ski boat. i don't know if it is sun fading, its a yellowish color. if i can get the rest of the boat to look like it does were the decals use to be the boat would look brand new.
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Old 01-21-2006, 08:15 PM
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Quote:
Originally Posted by jayderwin1
i have 20 year old white MC and i removed the decals. i am having trouble matching the gelcoat anyone have any thoughts on what i should do? i have tried buffing with two different compounds no luck.
I,ve had luck sanding with 1500 wet/dry sand paper then following up with 3M rubbing compound and Finess it (sp?) using a buffing pad. You might want to try a small, not so visible area, first.
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Old 01-21-2006, 08:45 PM
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jayderwin1 jayderwin1 is offline
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do they have a compound that has a grit, a little more coarse maybe that i can use.
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Old 01-21-2006, 09:32 PM
T Scott T Scott is offline
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I have had good luck restoring gel coat using 3M fiberglass compounds. I have used 3M "Heavy Duty Oxidation Remover" found at Wal-Mart. I think what really does the trick is the buffer that I have. I use a Dewalt variable speed (1000-3000rpn) buffer. It is not an orbital buffer, it is a straight spinning type. An orbital buffer typically used for applying wax isn't strong enough to grind down a layer of gelcoat. For me, the Dewalt buffer was the best $150 I have spent in quite a while..
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Old 01-22-2006, 12:00 AM
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jayderwin1 jayderwin1 is offline
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well i have been using a makita high speed buffer but i have not tried that buffing compound i will try that out thanks for the info
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Old 01-22-2006, 08:24 PM
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3M makes several diffrent compounds. The one you need that has extra grit is called "Extra Cut" it would be the best for that. Then I would use the, cant think of what it is called but the old part number is 5933. it is a rubbing compound.

Go to a auto body supply store (kind that sells to the body shops) and tell them what you are doing. They will be able to tell you what you want.

I second the DeWalt. I used to use mine everyday.
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Old 01-22-2006, 11:12 PM
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jayderwin1 jayderwin1 is offline
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thanks Jeremy. have you used this stuff before? do you have to buff it again with a compound that has a finer grit before you wax it?
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Old 01-22-2006, 11:32 PM
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Buffing Gelcoat

Have you considered wetsanding? Gel coat is should be about 22mils thick and if it has never been done before then chances are it is still that thick. My guess is that you are going to have to take it down pretty far to get rid of all that sun fading.

Last edited by jeverett; 02-04-2006 at 02:12 PM.
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