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
The 3M products are used to seal the joints of thru hull fittings going through the bottom of boats. Sealing properties are critical there. I have used both 3M products on my boat for years with excellent sealing results.
