Originally Posted by
phewy
Great suggestion with the heatshrink Nick.
Just might add.....make sure the stuff you use is good quality stuff, such as 3M, not some el cheapo $2 shop or "Crazy Clints Warehouse" junk that may not be as UV resistant. Especially in situations where the joints are subjected to the suns rays. Some stuff will only last mere months before becoming brittle and disintegrating.
Even better would be to use the heat shrink with resin inbuilt to completely waterproof the joint when applied.