Originally Posted by Tymadman
I've been using electrical self-amalgamating tape (butyl tape) with good results to seal deck fittings. It is very thin so you need to be a bit creative when applying it, but it works well.
Wha????? Electrical tape is not self amalgamating, and self amalgamating tape (rescue tape / rigging tape) is not Butyl rubber/tape. So color me confused cuz I have no idea what you mean?