I just purchased a 1985 Capri 14.2. I could not resist the deal! $250.00, with the trailer; Wow, how could I pass that up! Well perhaps I should have. Well as it turns out the Mast was in pretty bad shape. I am having the bottom of the mast repaired, and the individual completing the work has informed me there appears to be significant corrosion in the mast. The extent of damage is unclear as the end of the Mast appears to be sealed with foam. I was wondering if I could obtain so advice on how I can treat the inside of the mast to stop or delay the corrosion damage. Any ideas?