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Removing year old tree sap from a boat ?

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Removing year old tree sap from a boat ?

Old 04-03-2011, 07:00 PM
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Default Removing year old tree sap from a boat ?

Any suggestions that will not hurt the gelcoat ? Thanks !
Old 04-03-2011, 08:58 PM
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if it is thick enough try a plastic paint scraper. You can also heat it up with a hairdryer or heat gun.
Old 04-03-2011, 09:02 PM
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I think "goo gone" is a great product for your problem. I keep it on the boat at all times, very mild on fiberglass and breaks down all glues (same as sap) and gunk.
Old 04-03-2011, 09:29 PM
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as stated - maybe try turpintine as well, that was the old days stuff
Old 04-03-2011, 10:11 PM
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Rubbing alcohol. Soak cotton balls and let them sit on the sap until it can be wiped away. I have tried many different methods of removing tree sap and the rubbing alcohol has always worked.
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Old 04-04-2011, 06:03 AM
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Use a razor blade to remove the top part and automotive Brake Clean on a rag or paper towel for the rest. Brake clean comes in spray cans in the $3-4. range and is good for a lot of small cleaning jobs.
Old 04-04-2011, 06:23 AM
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Like dissolves like..use turpentine.
Old 04-04-2011, 07:33 AM
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I use those Alcohol Prep Pads on sap on cars all the time. I bet it would fine on boats too. Works very quickly. Just rub the spot til it's gone.
Old 04-04-2011, 07:54 AM
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cheap lacquer thinner from Lowes or HD applied to a rag and then just rub it off. My boat sat under pine trees for 8 years. It does not damage the getcoat, and I've even used it on cars w/o any problems. I have a boat cover but sometimes...
Old 04-04-2011, 08:13 AM
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Belt Sander with 60 grit belt? (Just kidding)

I think Goo Be Gone should be fine.

I also used to use bug and tar remover to remove sap from a corvette I had and it worked well and wasn't harmful to the fiberglass.
Old 04-04-2011, 10:08 AM
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Default Sap/Tar Removal

Originally Posted by 052520 View Post
Any suggestions that will not hurt the gelcoat ? Thanks !
Try a little WD-40. It will remove tar, sap, and grease with ease and will not damage the finish in any way. I use WD-40 to remove tar from my vehicles and it works perfectly. You wouldn't believe how many uses there are for it.
Old 04-04-2011, 10:21 AM
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Originally Posted by Justin_NJ View Post
Belt Sander with 60 grit belt? (Just kidding)

I think Goo Be Gone should be fine.

I also used to use bug and tar remover to remove sap from a corvette I had and it worked well and wasn't harmful to the fiberglass.
your corvette did not have a gelcoat finish....thats not to say it would hurt gelcoat...just that you werent applying it to gelcoat...you were applying it to a painted surface...

have you tried hot soapy water?...then all of the above...
Old 04-04-2011, 12:10 PM
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I used acetone on my boat's gel coat. It didn't hurt a thing and worked great.
Old 04-04-2011, 12:29 PM
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Alcohol in any form.
Old 07-09-2020, 08:41 PM
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Default Ajax

Guys forget all the suggestions above.. go to any cvs, wallgreens and get yourself a 1 dollar bottle of ajax. Works great fast and doesnt hurt the gelcoat
Old 07-09-2020, 09:43 PM
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Bar keepers friend.

you’ll be buffing afterwards.

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