CarpeDiem 430 Posted December 30, 2019 Share Posted December 30, 2019 These little lugs (x4) under the boom for the lazy jacks were installed about 4 years ago. I've noticed not insignificant equal corrosion at all four points. There are several other stainless fixtures on the mast and boom that have existed longer and don't show any where near the same amount of corrosion. There is no corrosion inside the boom. I can't tell if the rivets are stainless or aluminium. I have drilled them off and will reattach them with aluminium rivets and will put an insulating washer between them. But the stainless will still be 'connected' via the rivet. So will just the rivet corrode or will the boom continue to corrode through the rivet? And therefore do I need to completely insulate the stainless? (I guess plastic rivets are a thing?) Quote Link to post Share on other sites
Cantab 341 Posted December 31, 2019 Share Posted December 31, 2019 Get some Duralac https://www.jaycar.co.nz/duralac-anti-corrosive-jointing-compound/p/NA1026 https://www.burnsco.co.nz/shop/rv/paint-maintenance/sealants-adhesives/duralac-insulating-sealant-15213/115ml-tube?gclid=CjwKCAiA3abwBRBqEiwAKwICAw4wGkDsKBgKqbYm71z-Kmq1L7uWlv4OQ55GSs7W3ZQyON-zs6YrWBoCI1wQAvD_BwE Monel Rivets, Stainless Loop, Ali Boom. It will stop it. Quote Link to post Share on other sites
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