Hi, I have a 1989 16' Starcraft I need to redo a patch on. My thought was to use 3M 5200 or G/Flex, aluminum sheet on outside and inside, as well as solid rivets.
My question is which sealant would be better in this scenario? If I need to, I will use 3M 5200, G/flex, jb weld, and some duct tape...