The final task to undertake before the chassis is finished in it’s new gloss black coating is to seam seal all of the edges. Good seam sealing will prolong the life of a vehicle after restoration. Virtually all rust problems on a car will start in the seams.
Here is a very informative article written by Brian Martin of Auto Body Store in Southampton, New Jersey. He explains the importance of seam sealing a car and demonstrates the best methods for applying seam sealer to body panels.