Seam Sealer

Im not sure about that specific seam sealer but we use 3m at my work, we always prime the area first though then put the seam sealer down, that way if for some reason moisture gets under it, or it cracks you wont just hold moisture on bare metal, this is how the factory did it and under almost all seam sealer ive seen its rusty.

Read the directions on the tube and see if it will work for what you want to do.

Good luck:-D