Liquid Electrical Tape can be used instead of insulation tape.

Simply brush it on and it will insulate and seal out moisture. Once

dry, it is acid and salt resistant and won't crack, peel or harden

even under extreme conditions. This is a very versatile

Liquid Electrical Tape Tube 28g can be used for

such diverse applications as stopping screws from vibrating loose

or ropes unravelling. The 'tape' is supplied in a handy 28g tube

(1oz) and comes in red and black.