I use the rubber sealant that the contractors use around windows and doors. I put it on the bracket side. Found at Home depot and the like. Comes in different widths,
Tamco single stage paint is exceptional. When painting with base coat it covers easily and you don't have to be perfect with it as it is not the final finish. The clear coat is what takes the time and you have to get it right or you will be sanding and reshooting. Also, you should probably put...