Big bubble in paint
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Joined: Apr 2004
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From: NJ where fun comes to die
Big bubble in paint
Hi. I paint once in awhile with reasonable success. I only do my own and for a few of my friends. I can usually do a good job. But it is not show quality. Kind of a poor man's paint job. Recently I helped a friend of mine repair his van on the drivers side. The gas tank filler does not have a door. It is the kind with just a flush cap. We sanded the whole area and used an epoxy primer. Then I used the base coat, top coat, and urethane clear. Everything was fine except about two months later it developed a large bubble at the fill hole. It is around about a third of the hole. My friend always pumps his own gas. So can I assume this has to do with a previous gas spill? Can I sand the area and just touch it up or do I have to do something special? Should I have used different products? Thanks for any help.
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Joined: Feb 2003
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From: Kentucky
Originally Posted by trike1946
Hi. I paint once in awhile with reasonable success. I only do my own and for a few of my friends. I can usually do a good job. But it is not show quality. Kind of a poor man's paint job. Recently I helped a friend of mine repair his van on the drivers side. The gas tank filler does not have a door. It is the kind with just a flush cap. We sanded the whole area and used an epoxy primer. Then I used the base coat, top coat, and urethane clear. Everything was fine except about two months later it developed a large bubble at the fill hole. It is around about a third of the hole. My friend always pumps his own gas. So can I assume this has to do with a previous gas spill? Can I sand the area and just touch it up or do I have to do something special? Should I have used different products? Thanks for any help.
) to go under the clear and break the bond of the clear coat at that point. That just my take on it.....Try to find a way of assuring the edge of the clear coat cant be penetrated underneath by the gas, that is the only cure I know of. Urethane clearcoat does pretty good at repelling gas ( I spill it on my 03 sometimess around the filler tube, I just wipe it off with windshield cleaner quickly) It is just that when it gets under the clear that the gas makes permanent problems. good luck
Last edited by Greg 79 f150; Jan 28, 2005 at 11:47 AM.
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Joined: Feb 2003
Posts: 2,848
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From: Kentucky
Originally Posted by trike1946
Can I just cut out the bubble and sand it and start over in just that area? Thanks for the reply.
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