KBS Patch

Yes, to provide rust protection, it is always best to prep and then apply at least two coats of RustSeal on the prepped surface.

For best adhesion of KBS Patch to RustSeal, allow the RustSeal to fully cure at least 24 hours keeping the surface clean and then scuff the RustSeal lightly with 300 grits before applying the KBS Patch to the surface.