STEEL RAILS

[JamesG161]

Another option is this, as I mentioned earlier.

https://www.lowes.com/pd/Rust-Oleum...ng-Compound-Actual-Net-Contents-20-oz/3729087

Jim...

 

[JamesG161]

You can also connect the keel bolts to the same Zinc , with an insulated wire.

You might consider what I noted as a kind of a continuous protection. Even after that spray on paint.
Jim...

PS: @rgranger said that Zinc must be in the bilge water.

 

[Rick.johnson]

Yes i like the idea of if needed remaking it or cleaning it up really well an
using the cold galvanizing comp on it

if it last another 30 years i will be happy

Rick