I'm getting ready to repair rust on my Mac 25 keel
, I went ahead and purchased Pettit "Rustlok" and "Tie Coat" for the prepping which after some research
looks like a good choice. But I have a fairly large pit to fill and fair about 10" x 5" and 3/16" deep. My question is how should I deal with that? My plan was to first hit it with two or three coats of the Rustlok, then use epoxy/filler over that - fairing and sanding
smooth then proceed with coating the entire keel
with Rustlok (two or three coats) - hit it with tie coat (two or three or four times) then top coat with Pettit ablative bottom paint
. My fear is the epoxy
won't adhere to the Rustlok as well as bare metal so should I do that first? I don't have the option of sandblasting and will be coating over some rust.