Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 105 Times in 96 Posts
Rep Power: 9
Virtually and normal additive to epoxy will strengthen it with the exception of the light fairing additives. I'd go with whatever is less expensive.
The key is to do it on a dry day and the first coat on the iron keel has to go on right after the sandblasting or whatever method is used to get to bare metal. It will start to oxidize in an hour or so.
Living aboard in Victoria Harbour