More Keel Joint

Progress! Chemical warfare on the hull-keel joint...

Keel Boy™

A gelcoat crack, ground out for patching.

Gelcoat patch and POR-15

Prep was Metal-Ready, containing phosphoric acid and zinc. Residue is zinc phosphate. POR-15 inevitably got on both sides of the joint, but with a topcoat of Interprotect 2000, I expect good adhesion from Sikaflex 291 polyurethane adhesive sealant.


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