JIMMIE wrote:

I noticed the use of a lot of tie wraps. Its never a good idea to use
these exposed to sun light.
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Black tie wraps contain carbon black and are hence UV resistant and
almost last forever.

Coloured or non pigmented plastic will indeed deteriorate due to UV
radiation.

Polypropylene rope , for example ,is usually coloured but never black.
Reason : If black it would not deteriorate due to exposure to UV ,hence
it would last far too long and the manufacturers would only need to
produce a fraction of their current production.
That's commercial life.

If you use rope other then polyester (sailing boats etc) try to find a
black plastic variety (not easy).
My 40 ft mast has (blue)polypropylene guys which need to be replaced
every 8 -9 years (even here in northern Scotland) ,but it is cheap
compared with polyester rope.

Frank GM0CSZ / KN6WH