[TowerTalk] heat shrink weathering

K8RI on TT k8ri-on-towertalk at tm.net
Sun Sep 11 17:10:23 PDT 2011


On 9/11/2011 7:59 PM, Grant Saviers wrote:
> I'm building a new SteppIR beam and they have changed from tape wrapping
> the fiberglass element joints to an adhesive lined heat shrink "CANUSA
> CFTV".
>
> This approach seems better than two layer's of Scotch 33 plus a layer
> self amalgamating silicone tape which is what is in the instruction book.
>
> My question is how long does the heat shrink/adhesive last in the
> weather, sun, etc?  Apparently CFTV has been used for some time in the
> cellular business and a fellow towertalkian might have observed the
> performance for 5 to 10 years.

I don't know about the CFTV, but I've been using MMM now for over 10 
years and it shows no signs of weathering/aging.

73

Roger (K8RI)




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