[TowerTalk] Coax and asphalt shingle roofs

[Gedas]

I do not have any experience with coax directly on my roof but I would 
still be concerned about possible side effects of extreme temperatures.

Let's say you live some place where the air temp can reach 
110F.....given that and a pure sunny day and "darkish colored shingles" 
and I suspect the surface temperatures on that roof can hit every bit of 
150F (or more).....I just don't know if I would like that.

Gedas, W8BYA EN70JT

Gallery at http://w8bya.com
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On 7/20/2020 1:51 PM, john at kk9a.com wrote:
> I have never seen an issue with coax laying directly on a shingle roof.
>
> John KK9A
>
> Bill Ogden W2WO wrote:
>
> This is my month for questions. I am looking at placing a receiving loop
> (and a rotator) on my roof. The roof has architectural asphalt shingles.
> What is a reasonable way to get coax and a rotator control cable to the
> loop?  In my case, I cannot access the roof point from inside the house.
> How should I protect the cables from the rough shingles? And protect the
> shingles from being rubbed by the cables? If the answer is conduit, 
> should
> it simply lay on the shingles or be raised somehow?
>
> Bill
> W2WO
>
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