3M Marine Sealants for Campers
Having come from the boating world, is there a reason folks don't use the 4200/5200 marine sealants from 3M? They last years and are proven sealants. They can be tough to remove but isn't that the poi...
Forum Discussion
5200 is a permanent option designed for a below the waterline install. I cannot imagine it's ideal for any RV application. But to each is own.
