how does moisture get stuck in there if it is rolled on properly...when it is, isn't it air tight?..therefore moisture proof?

*UNDER CONSTRUCTION*
1953 Chevrolet 3100 1/2 ton-previously abandoned resto.

My Project Bolt

I hate when people leave their brains at home. Seriously when did critical thinking and customer service go out the window? How about common sense and striving to go the extra mile? Idiots, surrounded by idiots it tell you.