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My question: can I apply a new coat of epoxy over sanded/cleaned epoxy and get a good seal? Or will I get water infiltrating between the two layers? Do I need to sand down to bare steel and bare fibreglass?- There was a strip of sealant added where the steel keel and the fibreglass hull meet. In most places, it was compromised and allowing water to seep in. My understanding is that I need to removed the old sealant, clean/scrape the surface and apply 3M 4200 or Sikaflex 291.
My Question: Do I clean the area and seal the joint, then epoxy around (not over) the sealant? Or can I epoxy over this sealant?- Don Casey recommends Interprotect 2000E for this type of barrier coat. Any experiences with putting a coat of 2000E on a steel keel, or West System epoxy?
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