I need to install additional mushroom
head thruhulls in a cored area of the
hull. Above the waterline, but still need to do it right.
I know I need to remove the
core material between the skins and replace with thickened
epoxy, but how far deep do I need to dig it out ? This will be a 1 1/2 inch thruhull, so I'm guessing the hole will be 2 inches or so. I thought I'd seen mention of this on the WEST
Epoxy site, but I don't see it now.
A guess would be that I should go out to maybe half the flange of the thruhull, but I'd appreciate hearing what others would say.