Through-hull sealant advice

[YakDout]

Yep what ^ said. And you might have to open the hole a little with a razor blade to get both wires to pass through.


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[GregAndrew]

I can't see your picture but, as far as sealants go, I have had no problems with Marine Goop as long as you prep the area right first. Light sanding and cleaning of both surfaces (with alcohol is best) before applying.

[warburto]

Originally Posted by GregAndrew

I can't see your picture but, as far as sealants go, I have had no problems with Marine Goop as long as you prep the area right first. Light sanding and cleaning of both surfaces (with alcohol is best) before applying.

OK, changed the host in the hopes that the picture is visible.

Reading about the 3M 4200 and 5200, they specifically say to avoid using alcohol when prepping the surface, so the Marine Goop must be something different.